Derevi, Empyrial Tactician [Commander 2013] Condition:Moderately Played Set: Mystery Booster Type: Legendary

Set: Mystery Booster Type: Legendary Creature — Sliver Rarity: Mythic Cost: {W}{U}{B}{R}{G} Sliver creatures you control have indestructible

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

and that creature doesn't untap during its controller's next untap step

then cast it transformed

they draw a card if none of those creatures attacked you

Derevi, Empyrial Tactician [Commander 2013] Condition:Moderately Played Set: Mystery Booster Type: LegendarySet: Commander 2013 Type: Legendary Creature Bird Wizard Rarity: Mythic Cost: {G}{W}{U} Flying Whenever Derevi, Empyrial Tactician enters the battlefield or a creature you control deals combat damage to a player, you may tap or untap target permanent. {1}{G}{W}{U}: Put Derevi onto the battlefield from the command zone.