Unbound Flourishing [The List] Eldrazi Drone As Steam Vents enters the

As Steam Vents enters the battlefield

where X is 1 plus the sacrificed creature's mana value

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(This card can attack on the turn in which it is played

Flaps can be detached and clipped to the back side to save precious space at the gaming table

Unbound Flourishing [The List] Eldrazi Drone As Steam Vents enters theSet: The List Type: Enchantment Rarity: Mythic Cost: {2}{G} Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X. Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.