Requires

Ganax, Astral Hunter must be on the battlefield. Goro-Goro, Disciple of Ryusei must be on the battlefield. Mana Echoes must be on the battlefield. Xorn must be on the battlefield. You control a modified creature that can attack this turn. You control at least two additional Dragons and/or Spirits. Mana needed:

Steps

1. Declare any modified creature you control as an attacker.
2. Holding priority, activate Goro-Goro's second ability by paying , 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 .
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.

Results