Black Knight [International Collectors' Edition] Alpha Edition Scholars say that arbiters exist

Scholars say that arbiters exist on every world

Set: Beta Edition Type: Instant Rarity: Rare Cost: {2}{U} Tap all lands target player controls and that player loses all unspent mana

(Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters

"With precise coordination and enough blood spilled

Set: Invasion Type: Enchantment Rarity: Uncommon Cost: {1}{G}{W} Whenever a creature enters the battlefield under your control

Black Knight [International Collectors' Edition] Alpha Edition Scholars say that arbiters existSet: International Collectors' 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.