Forest-Backed Colossus

Trample, forestwalk.
When Forest-Backed Colossus enters the battlefield under your control, create two 1/1 green saproling tokens that have "{t}, sacrifice this creature: Target green creature gets +1/+0 until end of turn."
{4}{g}{g}: Create a 1/1 green saproling token that has "{t}, sacrifice this creature: Target green creature gets +1/+0 until end of turn."
It has great lumber support!