Happiny

Last strike, protection from Spirits, Graft 1 (This
creature enters the battlefield with a +1/+1 counters on
it.Whenever another creature enters the battlefield, you
may move a +1/+1 counter from this creature onto it.)
{2}, {t}: Adapt 1 (If this creature has no +1/+1
counters on it, put a +1/+1 counter on it.)
{3}, {t}: Sacrifice Happiny, search your library for
a colorless Homunculus Cleric creature card with
converted mana cost 5 or less, put it on the
battlefield tapped,