Derevi, Empyrial Tactician [Commander 2013] Guildpact When Sidisi

When Sidisi

Put that card in your hand and exile all other cards revealed this way

Set: Fifth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

When Eternal Scourge becomes the target of a spell or ability an opponent controls

it puts twice that many of those counters on that permanent instead

Derevi, Empyrial Tactician [Commander 2013] Guildpact When SidisiSet: 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.