Whenever All-Seeing Arbiter enters the battlefield 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.
NM-Mint Foil - $3.20
Lightly Played Foil - $3.00
Moderately Played Foil - $2.90
Heavily Played Foil - $2.60
Damaged Foil - $2.10
NM-Mint Foil Non English - $3.20
Lightly Played Foil Non English - $3.00
Moderately Played Foil Non English - $2.90
Heavily Played Foil Non English - $2.60
Damaged Foil Non English - $2.10