Cerberus, Primal Companion

Companion with Ithil, Bestial Hero
(As this creature enters, target player may put Ithil into their hand from their library, then shuffle).

Whenever one or more +1/+1 counters are placed on this creature, it may fight target creature you don't control.

{3}{r/g}{r/g}: Adapt 2. (If this creature has no +1/+1 counters on it, put 2 +1/+1 counters on it).