Ob Nixilis, the Adversary (Borderless) (284) [Streets of New Capenna] Secret Lair Drop Series you may put 1 damage

you may put 1 damage counter on each of your opponent's Pokemon

but it also does half that amount of damage to you

Attack 2: [2G] Miracle Powder (30)

Rarity: M #: 59 Card Type: Legendary Creature — Human Wizard P / T: 3 / 4 Description: Spells can’t be countered

this attack can't be used

Ob Nixilis, the Adversary (Borderless) (284) [Streets of New Capenna] Secret Lair Drop Series you may put 1 damageRarity: M #: 284 Card Type: Legendary Planeswalker Nixilis Description: Casualty X. The copy isn't legendary and has starting loyalty X. [+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 creature dies, it deals I damage to any target." [7]: Target player draws seven cards and loses 7 life.