All-Seeing Arbiter

Creature — Avatar

Mana Cost: {4}{U}{U} CMC 6

Colors: U

Power / Toughness: 5 / 4

Set: Streets of New Capenna Promos (PSNC)

Rarity: Mythic

Standard Commander

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.

Deck Archetypes

Control Enchantress

Draws cards and applies -X/-0 to opponents' creatures via graveyard mana values, fits Control and Enchantress archetype…