Oblivion Strike [Oath of the Gatewatch] Human Archer When the Boros Legion attacks

When the Boros Legion attacks

Set: Commander 2015 Type: Instant Rarity: Common Cost: {2}{W} Kicker {R} (You may pay an additional {R} as you cast this spell

Set: Urza's Saga Type: Instant Rarity: Uncommon Cost: {U} Attach target Aura attached to a creature or land to another permanent of that type

If that spell would be put into a graveyard

" —Ramal

Oblivion Strike [Oath of the Gatewatch] Human Archer When the Boros Legion attacksSet: Oath of the Gatewatch Type: Sorcery Rarity: Common Cost: {3}{B} Devoid (This card has no color.) Exile target creature. It's bad enough to be torn to pieces. It's worse by far to be torn from the world itself.