Tezzeret, Kaladesh Ruler

+2: Until your next turn, each artifact you play costs {2} less to cast. Then create two 1/1 Thopter artifact tokens.
+1: Tezzeret, Kaladesh Ruler deals X damage to target creature or planeswalker where X is the number of artifacts you control.
-9: Create five 1/1 Thopter artifact tokens. Then Tezzeret deals twice X damage to any target and you gain X life. Where X is the number of artifacts