Paul Meier, Tireless Laborer

Ward {2} Vigilance
Whenever you sacrifice a Boar, Bird, Ox, Goat, Sheep, Elk, Caribou or land, create a Food token.
At the beginning of your end step, you may sacrifice {x} Food tokens and reveal the top {x} cards of your library, you may choose one card and put it into your hand and the rest into your graveyard. If the chosen card has CMC {x} or less, you may put it onto the battlefield instead.