Chrome Dome + Su-Chi Cave Guard + Krark-Clan Grunt
Chrome Dome
Su-Chi Cave Guard
Krark-Clan Grunt
Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite creature ETBInfinite creature LTBInfinite colorless manaInfinite copies of artifacts you control with hasteInfinite creature tokens with hasteInfinite death triggersInfinite creature sacrifice triggersInfinitely powerful creature until end of turn
How it works
Activate Chrome Dome by paying 5, creating a token copy of Su-Chi Cave Guard with haste.
Activate Krark-Clan Grunt by sacrificing the Su-Chi Cave Guard token.
When the Su-Chi Cave Guard token dies, it triggers, adding eight C.