Piotr Pringle, Deserter

Whenever Piotr Pringle, Deserter enters the battlefield, and at the beginning of your upkeep, you may create a legendary 1/1 Toy Soldier creature token with sneak named "Cadet"

{1}{w}:Sacrifice an artifact and choose one that hasn't been chosen yet this turn:
•Put X +1/+1 counters on Cadet.
•Create X 1/1 Toy Soldier creature tokens.