Nadier, Agent of the Duskenel (Commander Legends)

Legendary Creature Ñ Elf Warrior - Whenever a token you control leaves the battlefield, put a +1/+1 counter on Nadier.
When Nadier leaves the battlefield, create a number of 1/1 green Elf Warrior creature tokens equal to its power.
Partner (You can have two commanders if both have partner.)