Derevi, Empyrial Tactician [Commander 2013] Guildpact When Sidisi

When Sidisi

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

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

Set: Core Set 2019 Prerelease Promos Type: Creature — Goblin Warrior Rarity: Rare Cost: {2}{R}{R} Other Goblins you control get +1/+1

Set: Dragons of Tarkir Type: Legendary Planeswalker — Sarkhan Rarity: Mythic Cost: {2}{G}{U}{R} +1: Draw a card

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.