Ob Nixilis, the Adversary [Streets of New Capenna] Human Performer Set: March of the Machine:

Set: March of the Machine: The Aftermath Type: Land Rarity: Rare {T}: Add {C}

Or some wavy lines

Set: Outlaws of Thunder Junction Type: Land — Desert Rarity: Common Lush Oasis enters the battlefield tapped

(Choose any number of permanents and/or players

Whenever All-Seeing Arbiter enters the battlefield or attacks

Ob Nixilis, the Adversary [Streets of New Capenna] Human Performer Set: March of the Machine:Set: Streets of New Capenna Type: Legendary Planeswalker Nixilis Rarity: Mythic Cost: {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