Kira, Great Glass-Spinner (Borderless) [Secret Lair Drop Series] Sleeves Scholars say that arbiters exist

Scholars say that arbiters exist on every world

where X is the number of different powers among creatures you control

Set: World Championship Decks 1999 Type: Artifact Rarity: Rare Cost: {2} At the beginning of your upkeep

return Scoria Wurm to its owner's hand

Kira, Great Glass-Spinner (Borderless) [Secret Lair Drop Series] Sleeves Scholars say that arbiters existSet: Secret Lair Drop Series Type: Legendary Creature Spirit Rarity: Rare Cost: {1}{U}{U} Flying Creatures you control have "Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability." The samurai struck the fragile looking bubble, and her sword shattered into countless pieces.