The Erdtree

{g/w}{r/w}, Exile The Erdtree from your hand: You get
an emblem with "At the beginning of your upkeep,
choose one: Legendary creatures you control gain
lifelink until end of turn, shuffle target legendary
creature in your graveyard into your library, or put
target basic land from your graveyard onto the
battlefield under your control."

The Erdtree enters the battlefield tapped.
{t}: Add {r}, {g}, or {w}.