Ugin's Mastery (Extended Art) - Commander Masters - R - 751

Type: Enchantment

English Effect:
Whenever you cast a colorless creature spell, manifest the top card of your library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Whenever you attack with creatures with total power 6 or greater, you may turn a face-down creature you control face up.

Efecto en Español:
(Texto en español no disponible)