Chishiro, the Shattered Blade (Neon Dynasty Commander)

Legendary Creature Ñ Snake Samurai - Whenever an Aura or Equipment you control enters, 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.)