Immortal Taoist

Lifelink
Immortal Taoist costs {1} less to cast and has
+1/+1 for each artifact you control.
As long as you control three or more legendary artifacts, Immortal Taoist is indestructible.
"I have no idea how many of you play Overmortal,
but here is my invite code if you decide to check it out
(X1G4 LG 20)."