Alro, Master Mechanic

+1: Create an artifact token called Alro's potion with "tap and sacrifice this artifact: target creature gets +1/-1."
-2: You gain X life and draw X cards where X is 1/3 of the number of artifacts you control rounded down.
-6: You get an emblem with "Creatures you control get +X/+X where X is 1/3 of the number of artifacts you control."