Hunter's Dream

Whenever a nontoken creature you control dies, you may exile it. If you do, put a Dream counter on Hunter’s Dream.

{t}: Add {c}.
{t} or {ut}, {1}, Remove X Dream counters: Return a creature exiled with Hunter’s Dream to the battlefield with X +1/+1 counters on it.
{t} or {ut}, {x}{1}: Return a Hunter you control to your hand. You gain X life. If it has killed X creatures since it was last cast, it gets +X/+X permanently.