Illusionary Mask [Limited Edition Alpha] XY126 Whenever a Mountain is tapped

Whenever a Mountain is tapped for mana

Set: Neo Genesis Unlimited Type: Metal Rarity: Holo Rare Retreat cost: Colorless

Set: Diamond & Pearl: Legends Awakened Type: Colorless Rarity: Promo Retreat cost: Colorless

Set: McDonald's Promos: 2016 Collection Type: Darkness Rarity: Promo Retreat cost: Colorless

Set: Sun & Moon: Cosmic Eclipse Type: Fighting Rarity: Secret Rare Retreat cost: Colorless

Illusionary Mask [Limited Edition Alpha] XY126 Whenever a Mountain is tappedSet: Limited Edition Alpha 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