Abaddon the Despoiler (40K 171)

Legendary Creature — Astartes Warrior • Mana cost: {2}{U}{B}{R} • Warhammer 40,000 Commander • Mythic

Trample
Mark of Chaos Ascendant — During your turn, spells you cast from your hand with mana value X or less have cascade, where X is the total amount of life your opponents have lost this turn.

Under his rule, there is but one creed: Chaos shall reign.

Illustrated by Johan Grenier.