Derevi, Empyrial Tactician [Commander Anthology] Darksteel and it was his weakness

and it was his weakness that pushed him

Those creatures fight each other

Though they often bore little greater charm than the demons they battled

Set: Pro Tour Promos Type: Enchantment Rarity: Rare Cost: {3}{G}{W} Creatures you control get +1/+1

Set: Limited Edition Beta Type: Instant Rarity: Common Cost: {B} Add {B}{B}{B}

Derevi, Empyrial Tactician [Commander Anthology] Darksteel and it was his weaknessSet: Commander Anthology Type: Legendary Creature Bird Wizard 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.