Ob Nixilis, the Adversary

Legendary Planeswalker — Nixilis{1}{B}{R}

Casualty X. The copy isn't legendary and has starting loyalty X. (As you cast this spell, you may sacrifice a creature with power X. When you do, copy this spell. The copy becomes a token.) +1: Each opponent loses 2 life unless they discard a card. If you control a Demon or Devil, you gain 2 life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target." −7: Target player draws seven cards and loses 7 life.

Colour identity Rakdos · Casualty

In short

Ob Nixilis, the Adversary has 6 listed printings; the most valuable is the Showcase · Foil Etched printing from SNC at US$11.98 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.