Ron, The Forever Searching

{t}: Create a 1/1 Human creature token with
"{t}: Create a treasure token"

{g}{w}{u},{t}, Sacrifice a Human creature: Search your library for a Human creature with mana value equal to 1 plus the sacrificed creature's mana value, put it into play, then shuffle.

Sacrifice all Humans you control: Phase out until the beginning of your next turn.