Black Knight [Beta Edition] Vanguard if All Hallow's Eve is

if All Hallow's Eve is exiled with a scream counter on it

−3: Destroy target artifact

but I didn't expect it from the building itself

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {1}{U}{U} Buyback {3} (You may pay an additional {3} as you cast this spell

Set: Arabian Nights Type: Creature — Turtle Rarity: Common Cost: {1}{U} Giant Tortoise gets +0/+3 as long as it's untapped

Black Knight [Beta Edition] Vanguard if All Hallow's Eve isSet: Beta Edition Type: Creature Human Knight Rarity: Uncommon Cost: {B}{B} First strike (This creature deals combat damage before creatures without first strike.) Protection from white (This creature can't be blocked, targeted, dealt damage, or enchanted by anything white.) Battle doesn't need a purpose; the battle is its own purpose. You don't ask why a plague spreads or a field burns. Don't ask why I fight.