Dehaka, he who collects

Whenever Dehaka kills another Creature, gain one keyword of that creature, or one +1/+1 counter.
Counters and Monstrosity on dehaka remain
as he moves to any zone.
{3}{g}{u}{b} Monstrosity 3
As long as Dehaka is Monstruous, he may pay {t}{u}{g}{r} to fight target Creature