Silvachi, Awakened One

+1: Target land becomes a 4/4 Green elemental with Trample until end of turn. It is still a land.
-3: Target creature gets +3/+3 and gains Trample until end of turn.
-10: You get an emblem saying: 'Whenever a land enters the battlefield under your control, creatures you control get +2/+2, you gain 3 life.