Illusionary Mask [30th Anniversary Edition] Mystery Booster reveal Progenitus and shuffle it

reveal Progenitus and shuffle it into its owner's library instead

but I intend to use it to save the world

Primal Conqueror enters the battlefield

all beautiful

Set: Alternate Art Promos Type: Darkness Rarity: Promo

Illusionary Mask [30th Anniversary Edition] Mystery Booster reveal Progenitus and shuffle itSet: 30th Anniversary Edition Type: Artifact Rarity: Rare Cost: {2} {X}: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on {X}. If you do, you may cast that card face down as a 2 2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead