Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite +1/+1 counters on a creatureInfinite creature ETBInfinite creature LTBInfinite colorless manaInfinite copies of artifacts you control with hasteInfinite creature tokens with hasteInfinite death triggersInfinite creature sacrifice triggers
How it works
Activate Chrome Dome by paying 5, creating a token copy of Su-Chi Cave Guard with haste.
Activate Phantom Train by sacrificing the Su-Chi Cave Guard token.
When the Su-Chi Cave Guard token dies, it triggers, adding eight C.