Derevi, Empyrial Tactician [Commander 2013] Battle for Zendikar The owner of each creature

The owner of each creature card revealed this way with the lowest mana value puts it onto the battlefield

They found something far greater

that player sacrifices two lands

counter that spell if it has the same mana value as the revealed card

Derevi, Empyrial Tactician [Commander 2013] Battle for Zendikar The owner of each creatureSet: 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.