Soul Seizer / Ghastly Haunting⁣ - Dark Ascension⁣ (Uncommon)

Soul Seizer is a Spirit creature from Dark Ascension that can become a formidable threat by transforming into Ghastly Haunting, which enchants a creature and gives it the Spirit subtype while also allowing you to control its abilities. This versatility makes it useful for both aggressive and control strategies, as you can leverage its creature form for attack and shift to enchantment form to disrupt opponents. Keep in mind that its effectiveness relies on the board state and the available targets to enchant.