Natural Circle

{1}{g}, Sacrifice a creature: You gain X life where X is the sacrificed creature's toughness.
{2}{g}: Exile target card from a graveyard. If it was a land card, create a 1/1 green Plant creature token. If it was a creature card, put a +1/+1 counter on target creature
Sacrifice Natural Circle: Put all cards from your graveyard on the bottom of your library in any order.