Zagreus, Persistent Prince

Persistence
When Zagreus, Persistent Prince enters the battlefield, put a trample, haste, vigilance, initiative, frenzy 3 or absorb 1 counter onto it.
Whenever Zagreus, Persistent Prince kills
another creature, put a +1/+1 counter onto it.
"What shall it take for you to stop this foolishness?"
—Hades