Derevi, Empyrial Tactician [Commander Anthology] Ape "I write upon clean white

"I write upon clean white parchment with a sharp quill and the blood of my students

Sacrifice a creature: Fallen Angel gets +2/+1 until end of turn

destroy that creature if it attacked this turn

it gets -4/+4 until end of turn

the royal artificer was also the king's jester

Derevi, Empyrial Tactician [Commander Anthology] Ape "I write upon clean whiteSet: Commander Anthology 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.