Ob Nixilis, the Adversary Condition:Excellent Pride Sovereign gets +1/+1 for

Pride Sovereign gets +1/+1 for each other Cat you control

Ashiok's Erasure

there are several optional components reflecting this

Archaeopter - Adeptus Mechanicus

Ob Nixilis, the Adversary Condition:Excellent Pride Sovereign gets +1/+1 forOb Nixilis, the Adversary Legendary Planeswalker Nixilis 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 creature dies, it deals 1 damage to any