Derevi, Empyrial Tactician [Commander 2013] RC1 Whenever Shield Sphere blocks

Whenever Shield Sphere blocks

Set: Limited Edition Alpha Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

each opponent loses 1 life and you gain that much life

This card gains 500 ATK for each other Dragon-Type monster you control

Derevi, Empyrial Tactician [Commander 2013] RC1 Whenever Shield Sphere blocksSet: 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.