Derevi, Empyrial Tactician [Commander 2013] Cephalid Wizard You gain 4 life for

You gain 4 life for each creature tapped this way

Set: Zendikar Rising Type: Sorcery // Land Rarity: Mythic Cost: {4}{U}{U}{U} Draw cards equal to the number of cards in your hand plus one

The flashback cost is equal to its mana cost

Set: March of the Machine Type: Legendary Artifact Rarity: Rare Cost: {1}{G} If one or more +1/+1 counters would be put on an artifact or creature you control

Whenever Kevin deals combat damage to a player

Derevi, Empyrial Tactician [Commander 2013] Cephalid Wizard You gain 4 life forSet: 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.