Ya'hto, Primeval Man

Reach.
Other green creatures you control get +1/+1.
Whenever a land enters the battlefield under
your control, put a +1/+1 counter on target
creature you control.
{3}{g}{g}: Until end of turn, Ya'hto gains
trample and gets +X/+X, where X is the
number of lands you control. Create three
1/1 green Wolf creature tokens.