Merseine (V.4) - Fallen Empires (Common)

Merseine is a two-cost Aura enchantment from Fallen Empires that enchants a creature and enters with three net counters. The enchanted creature doesn't untap during its controller's untap step as long as Merseine has a net counter, but its controller can pay the creature's mana cost to remove a counter and allow it to untap. This can disrupt opponents' strategies while providing a way to manage threats effectively, making it a solid choice for control decks looking to immobilise key creatures.