Gimli, Mournful Avenger (Borderless) (LTR-436) - The Lord of the Rings: Tales of Middle-earth

Gimli has indestructible as long as two or more creatures died under your control this turn.
Whenever another creature you control dies, put a +1/+1 counter on Gimli. When this ability resolves for the third time this turn, Gimli fights up to one target creature you don't control.