Ganax, Astral Hunter + Goro-Goro, Disciple of Ryusei + Mana Echoes + Xorn

Ganax, Astral Hunter

Goro-Goro, Disciple of Ryusei

Mana Echoes

Xorn

How it works

1. Declare any modified creature you control as an attacker.
2. Holding priority, activate Goro-Goro's second ability by paying 3, creating a 5/5 Dragon Spirit creature token with flying.
3. When the Dragon Spirit enters the battlefield, it triggers Mana Echoes and Ganax.
4. Resolve the Mana Echoes trigger, adding at least CCC.
5. Resolve the Ganax trigger, creating two Treasure tokens.
6. Activate the Treasures by tapping and sacrificing them, adding .
7. Repeat from step 2.
8. Once you have infinite tokens, you may use Goro-Goro's first ability to give them haste.