MAGIC: THE GATHERING
|Edition:||Guilds of Ravnica|
Convoke (You creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
When Conclave Tribunal enters the battlefield, exile target nonland permanent an opponent controls until Conclave Tribunal leaves the battlefield.
Oblivion Ring effects are always strong, but this one is a powerhouse in white creature-based decks. For as little as one mana, you can neutralize everything from an opponent's blocker to a problematic planeswalker.