All-Seeing Arbiter

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.

EDHREC rank #11486

USD reference: $0.51 (~₱32.03) · Foil: $0.62 (~₱38.94)