Tombstone Stairwell [Mirage] Urza's Tower nonland card from among them

nonland card from among them and put it into your hand

Fireball deals X damage divided evenly

That creature attacks each turn if able

At the beginning of the upkeep of enchanted creature's controller

Set: Kaladesh Prerelease Promos Type: Artifact Rarity: Rare Cost: {4} If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger

Tombstone Stairwell [Mirage] Urza's Tower nonland card from among themSet: 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