Leng Lensou

{1}, Sacrifice a nontoken land: You and a target opponent each create a Forest Swamp token land with "{t}, Add {g} or {b}."
Whenever you or a Treefolk you control are attacked or targeted by an opponent, you may gain control of all token lands they control, untap them and untap Leng Lensou.
{4}: Create an X/X black-green Treefolk creature token, where X is the number of token lands you control.