CEI: Illusionary Mask (IE) Hotness Mana Vault doesn't untap during

Mana Vault doesn't untap during your untap step

Contains two 60-card decks

More strategic Trainer cards

If someone tries to be a hero

untap all creatures

CEI: Illusionary Mask (IE) Hotness Mana Vault doesn't untap during{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 it's turned face up and assigns or deals damage, is dealt damage,