Chishiro, the Shattered Blade (Extended Art) [Kamigawa: Neon Dynasty Commander] Phyrexian Bird Seraph of the Masses's power

Seraph of the Masses's power and toughness are each equal to the number of creatures you control

Set: Dominaria United Commander Type: Legendary Sorcery Rarity: Rare Cost: {5}{W}{B} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker

" —Iskene

It's a Phyrexian in addition to its other types

Chishiro, the Shattered Blade (Extended Art) [Kamigawa: Neon Dynasty Commander] Phyrexian Bird Seraph of the Masses's powerSet: Kamigawa: Neon Dynasty Commander Type: Legendary Creature Snake Samurai Rarity: Mythic Cost: {2}{R}{G} Whenever an Aura or Equipment enters the battlefield under your control, create a 2 2 red Spirit creature token with menace. At the beginning of your end step, put a +1 +1 counter on each modified creature you control. (Equipment, Auras you control, and counters are modifications.)