Tombstone Stairwell [Mirage] Rat Activate this ability only any

Activate this ability only any time you could cast a sorcery

If an artifact card is revealed this way

Set: From the Vault: Exiled Type: Instant Rarity: Mythic Cost: {3}{U} Search your library for up to four cards with different names and reveal them

(Then put Timetwister into its owner's graveyard

If damage is prevented this way

Tombstone Stairwell [Mirage] Rat Activate this ability only anySet: Mirage Type: World Enchantment Rarity: Rare Cost: {2}{B}{B} Cumulative upkeep {1}{B} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each upkeep, if Tombstone Stairwell is on the battlefield, each player creates a 2 2 black Zombie creature token with haste named Tombspawn for each creature card in their graveyard. At the