Polukranos, Unchained (Extended) [Theros Beyond Death]

Description

Set:	Theros Beyond Death
Type:	Legendary Creature — Zombie Hydra
Rarity:	Mythic
Cost:	{2}{B}{G}

Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead.
If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it.
{1}{B}{G}: Polukranos fights another target creature.
Escape—{4}{B}{G}, Exile six other cards from your graveyard.