Aaroniero, the Ninth

Lifelink
{t}Exile target creature from a graveyard and put a Glutton Counter on it, then put a +1/+1 counter on Aaroniero. Aaroniero has all activated abilities of all creature cards with Glutton Counters on them.
{3}{b/g}{b/g}{b/g} Transform this card. Activate only if 3 or more creatures have Glutton Counters on them.