Derevi, Empyrial Tactician [Commander 2013] San Diego Comic-Con 2017 {T}: Add three mana of

{T}: Add three mana of any one color

Twice he rescued Liu Bei's son

Set: Arabian Nights Type: Enchantment Rarity: Rare Cost: {G} At the beginning of your upkeep

Set: Beta Edition Type: Creature — Demon Rarity: Rare Cost: {4}{B}{B}{B} Flying

Derevi, Empyrial Tactician [Commander 2013] San Diego Comic-Con 2017 {T}: Add three mana ofSet: 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.