Illusionary Mask [Limited Edition Beta] San Diego Comic-Con 2015 Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Legendary Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +3/+1

If that mana is spent on an instant or sorcery spell

"If I must die

Set: Aether Revolt Type: Artifact Creature — Shapeshifter Rarity: Rare Cost: {2} As Metallic Mimic enters the battlefield

Illusionary Mask [Limited Edition Beta] San Diego Comic-Con 2015 Set: Champions of Kamigawa Type:Set: Limited Edition Beta 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