The All Tree

Commander Land {w}{u}{b}{r}{g} (If this land is your commander, cast it for its Commander Land cost.)
All Lands have "Rangeling" (It is every land type, including Plains, Island, Swamp, Mountain, Forest, Desert, Gate, Lair, Locus, and all the Urza's ones.)
This Land can be your commander.
"It casts its fruit to the world, making all its children."