All-Seeing Arbiter is a mythic Creature — Avatar card from Magic: The Gathering (Magic Online Promos, PRM).
Mythic
Magic Online Promos (PRM)
{4}{U}{U}
Power / Toughness
5 / 4
Mana Value
6
Colors
U
Card Text
Flying
Whenever this creature enters or attacks, draw two cards, then discard a card.
Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard.
