Kitsa, Otterball Elite + Blinkmoth Infusion + The Flesh Is Weak
Kitsa, Otterball Elite
Blinkmoth Infusion
The Flesh Is Weak
Infinite mana artifacts you control can produceInfinite magecraft triggersInfinite untap of artifacts you controlInfinite untap of creatures you control that have a +1/+1 counter on themInfinite mana creatures you control with +1/+1 counters on them can produce
How it works
Cast Blinkmoth Infusion by paiyng 12, minus 1 for each artifact you control.
Kitsa's prowess ability triggers, giving it +1/+1 until end of turn.
Holding priority, activate any number of mana-producing artifacts you control, adding at least 2.
Activate Kitsa's second ability by paying 2 and tapping it, copying Blinkmoth Infusion.
Resolve the copy of Blinkmoth Infusion, untapping all artifacts you control.