Chishiro, the Shattered Blade (Showcase Display Commander) [Kamigawa: Neon Dynasty Commander]

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.)