Lan Caihe, Street Artist

When Lan Caihe, Street Artist enters the battlefield, choose one -
• Exile the top card of your library. You may cast
it until the end of your next turn.
• Target creature gains Haste and Trample
until end of turn.
Sacrifice Lan Caihe: Add {r}{r} or {g}{g}.
You may cast Lan Caihe from the
graveyard.