{"title":"Prototype Cards","description":"\u003cp\u003eCast this artifact creature for its prototype cost as a smaller version with less power and toughness.\u003c\/p\u003e\u003cp\u003eBrowse Prototype cards at Vault of Cards with fast UK delivery.\u003c\/p\u003e\u003cp\u003eBrowse related collections: \u003ca href=\"\/collections\/the-brothers-war\"\u003eThe Brothers' War\u003c\/a\u003e · \u003ca href=\"\/collections\/modern-horizons-3\"\u003eModern Horizons 3\u003c\/a\u003e · \u003ca href=\"\/collections\/unearth\"\u003eUnearth\u003c\/a\u003e · \u003ca href=\"\/collections\/flying\"\u003eFlying\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eGuide: \u003ca href=\"\/blogs\/news\/magic-the-gathering-beginners-guide\"\u003eBeginner's Guide to MTG\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"fallaji-dragon-engine-the-brothers-war-uncommon-159","title":"Fallaji Dragon Engine⁣ - The Brothers' War⁣ (Uncommon)⁣ [159]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T03:25:26.015182\" --\u003e\nFallaji Dragon Engine is an 8-mana Artifact Creature - Dragon from The Brothers' War with a flying ability and a Prototype cost of {2}{R} for a 1\/3 version. This flexibility allows for quick deployment in aggressive strategies, as you can cast it early for a smaller creature while still retaining its full power and abilities later in the game. Its ability to pump itself for additional damage makes it a threat in combat, especially in red decks that focus on aggression. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42613773140103,"sku":"BRO159-6286","price":0.11,"currency_code":"GBP","in_stock":true},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42618605502599,"sku":"BRO159-80083","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/f7761ed0-a784-4dfb-ab6c-0f4b9a411cf3.jpg?v=1776199654"},{"product_id":"depth-charge-colossus-the-brothers-war-common-78","title":"Depth Charge Colossus⁣ - The Brothers' War⁣ (Common)⁣ [78]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T00:52:00.852793\" --\u003e\nDepth Charge Colossus is a massive 9\/9 Artifact Creature from The Brothers' War that can be cast for a lower cost using its Prototype ability, allowing you to play it as a 6\/6 for {4}{U}{U}. While it doesn't untap during your untap step, you can pay {3} to untap it, making it a strong choice for control strategies that aim to stabilise the board. Its size and versatility offer significant impact, especially in decks that can support its mana cost. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618086621319,"sku":"BRO78-32856","price":0.11,"currency_code":"GBP","in_stock":true},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42618244202631,"sku":"BRO78-46842","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/34e09173-a92d-4cc3-9d02-bf18ab0850ec.jpg?v=1776191123"},{"product_id":"blitz-automaton-the-brothers-war-common-158","title":"Blitz Automaton⁣ - The Brothers' War⁣ (Common)⁣ [158]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-16T20:57:48.493436\" --\u003e\nBlitz Automaton is a six-mana Artifact Creature from The Brothers' War with a solid 6\/4 body and haste, making it an aggressive threat on the battlefield. Its Prototype ability allows you to cast it for just {2}{R} as a 3\/2 creature, providing flexibility for early game plays while still retaining its abilities. This card fits well in aggressive red decks that aim to pressure opponents quickly, but its higher mana cost can be a drawback in faster formats. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618092191879,"sku":"BRO158-32918","price":0.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/e4e5529a-848b-486c-97fb-1def35df7837.jpg?v=1776177820"},{"product_id":"boulderbranch-golem-the-brothers-war-common-197","title":"Boulderbranch Golem⁣ - The Brothers' War⁣ (Common)⁣ [197]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-16T21:39:37.506987\" --\u003e\nBoulderbranch Golem is a six-mana Artifact Creature from The Brothers' War that has a power of 6 and toughness of 5. With its Prototype ability, you can cast it for three mana and a green, reducing its size to a 3\/3 while still gaining life equal to its power when it enters the battlefield. This versatility makes it a strong choice in life-gain strategies or ramp decks where you can benefit from both the full-sized and Prototype versions, though its high mana cost can be a limitation in faster formats. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618092552327,"sku":"BRO197-32922","price":0.11,"currency_code":"GBP","in_stock":false},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42619967144071,"sku":"BRO197-151297","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/6e6e5338-9b95-4ac7-a57c-5efaa6423531.jpg?v=1776179688"},{"product_id":"combat-thresher-the-brothers-war-uncommon-35","title":"Combat Thresher⁣ - The Brothers' War⁣ (Uncommon)⁣ [35]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-16T23:22:33.401623\" --\u003e\nCombat Thresher is a 3\/3 Artifact Creature - Construct from The Brothers' War that has a hefty mana cost of {7}, but it also features a Prototype ability for just {2}{W}, allowing you to cast it as a 1\/1 with double strike. When it enters the battlefield, you draw a card, making it a solid choice for decks that benefit from card advantage and aggressive strategies. Its versatility in size and cost can fit into various builds, although its higher casting cost might limit its use in faster-paced decks. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618254164103,"sku":"BRO35-47144","price":0.11,"currency_code":"GBP","in_stock":true},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42618799882375,"sku":"BRO35-86893","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/74dfabfd-e13b-4512-a733-abe514be6404.jpg?v=1776185893"},{"product_id":"rust-goliath-the-brothers-war-common-204","title":"Rust Goliath⁣ - The Brothers' War⁣ (Common)⁣ [204]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T17:21:40.211388\" --\u003e\nRust Goliath is a ten-mana Artifact Creature - Construct from The Brothers' War, boasting a massive 10\/10 body with reach and trample. Its Prototype ability allows you to cast it for {3}{G}{G} as a 3\/5, making it a flexible option for mid-game plays or ramp strategies. The combination of its size and trample makes it a threat that opponents struggle to block effectively. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618259177607,"sku":"BRO204-47236","price":0.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/8348f73d-4226-4296-9d51-a2c497ee8270.jpg?v=1776248671"},{"product_id":"iron-craw-crusher-the-brothers-war-uncommon-200","title":"Iron-Craw Crusher⁣ - The Brothers' War⁣ (Uncommon)⁣ [200]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T08:30:35.264208\" --\u003e\nIron-Craw Crusher is a versatile Artifact Creature from The Brothers' War, offering a hefty 4\/6 body for seven mana or a more manageable 2\/5 for just two green mana through its Prototype ability. When it attacks, it boosts another attacking creature's power based on its own strength, making it a great choice for aggressive strategies that can benefit from increased damage output. However, its high mana cost can be a limitation, so it fits best in decks that can ramp effectively or have ways to cheat it into play. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618283753607,"sku":"BRO200-47698","price":0.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/64e2ec10-f45f-46ef-a076-52425bf3fe3b.jpg?v=1776217551"},{"product_id":"cradle-clearcutter-the-brothers-war-uncommon-198","title":"Cradle Clearcutter⁣ - The Brothers' War⁣ (Uncommon)⁣ [198]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-16T23:53:06.109786\" --\u003e\nCradle Clearcutter is a Golem artifact creature from The Brothers' War with a base power of 3\/6 for six mana, but it also has a Prototype cost of 2G, allowing you to cast it as a 1\/3 creature. When it taps, it generates green mana equal to its power, making it a solid ramp option that can fit into midrange and ramp strategies. Its flexibility in casting cost and size allows for versatile plays, especially in decks that benefit from mana acceleration. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618284343431,"sku":"BRO198-47705","price":0.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/50cc9b90-792e-4cf7-ab8c-cb616d94092a.jpg?v=1776187637"},{"product_id":"spotter-thopter-the-brothers-war-uncommon-80","title":"Spotter Thopter⁣ - The Brothers' War⁣ (Uncommon)⁣ [80]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T20:43:50.566431\" --\u003e\nSpotter Thopter is an Artifact Creature - Thopter from The Brothers' War, with a cost of {8} or a Prototype option for {3}{U} that makes it a 2\/3. This flying creature allows you to scry X equal to its power when it enters the battlefield, providing valuable card selection. Its versatility in both size and cost makes it suitable for control decks that benefit from scrying to optimise draws. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618339655815,"sku":"BRO80-48314","price":0.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/d90175ae-4109-4845-b3ff-1531fb67a0e1.jpg?v=1776263013"},{"product_id":"goring-warplow-the-brothers-war-common-120","title":"Goring Warplow⁣ - The Brothers' War⁣ (Common)⁣ [120]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T06:07:26.039064\" --\u003e\nGoring Warplow is a versatile artifact creature from The Brothers' War, boasting a 5\/4 body that comes with deathtouch, making it a threat on the battlefield. With its Prototype ability, you can cast it for just {1}{B} as a 1\/1, allowing for early game utility in aggressive strategies or to trigger synergies with sacrifice effects. This flexibility can make it a valuable asset in both midrange and control decks, particularly in black-focused builds. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618340311175,"sku":"BRO120-48319","price":0.11,"currency_code":"GBP","in_stock":true},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42944651100295,"sku":"BRO120-47415","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/9d927dfd-ae66-4235-a61b-39c85d0c1222.jpg?v=1776209486"},{"product_id":"hulking-metamorph-the-brothers-war-uncommon-79","title":"Hulking Metamorph⁣ - The Brothers' War⁣ (Uncommon)⁣ [79]","description":"\u003c!-- AI-SEO START timestamp=\"2026-04-17T07:40:23.905425\" --\u003e\nHulking Metamorph is a versatile Artifact Creature - Shapeshifter from The Brothers' War that can enter the battlefield as a 7\/7 creature for {9} mana or as a 3\/3 using its Prototype ability for {2}{U}{U}. This flexibility allows you to copy any artifact or creature you control, adding both power and utility to your board state while maintaining its identity as an artifact creature. It's a great fit for decks that focus on utilising powerful creatures or establishing synergies with other artifacts. Available from Vault of Cards, a UK-based Magic: The Gathering store with fast delivery.\n\u003c!-- AI-SEO END --\u003e","brand":"Vault of cards","offers":[{"title":"English \/ Near Mint \/ Normal","offer_id":42618380157063,"sku":"BRO79-49840","price":0.11,"currency_code":"GBP","in_stock":true},{"title":"English \/ Near Mint \/ Foil Normal","offer_id":42618801029255,"sku":"BRO79-86921","price":0.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0276\/6900\/4423\/files\/420f0b81-8b87-4854-9dc4-6da84cc38623.jpg?v=1776214680"}],"url":"https:\/\/vaultofcards.co.uk\/collections\/prototype.oembed","provider":"Vault of Cards","version":"1.0","type":"link"}