Derevi, Empyrial Tactician [Commander 2013] WTR193-C prevent the next 1 damage

prevent the next 1 damage that would be dealt to that permanent or player this turn

"A wanderer has told me of an assassin in the Takenuma Swamp who uses her dark arts to animate her enemies' shadows against them

Set: HeartGold & SoulSilver: Black Star Promos Type: Water Rarity: Black Star Promo Retreat cost: Colorless

(They can block and be blocked only by creatures with shadow

Derevi, Empyrial Tactician [Commander 2013] WTR193-C prevent the next 1 damageSet: 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.