The Neolife Factory- Model 04

Lands you control enter the battlefield tapped.
Sacrifice an Artifact Creature, {t}: Create X green
2/2 Saproling Robot Artifact Creature tokens,
where X is the sacrificed creature's toughness.
If you control two or more Factories, Artifact Creatures you control can block an additional creature each combat and have reach.
If you control five or more Factories, Artifact Creatures you control can block Creatures with landwalk, protection and shadow as if they did
not have those abilities.