Requires

Satsuki, the Living Lore must be on the battlefield. There and Back Again must be on the battlefield. Hex Parasite must be on the battlefield. Staff of Domination must be on the battlefield. There and Back Again has exactly two lore counters on it. Umbral Mantle attached to Satsuki. Satsuki does not have summoning sickness. Mana needed: , plus an additional available if you do not control a Smaug token

Steps

1. Activate Satsuki by tapping it, putting a lore counter on There and Back Again.
2. There and Back Again's third chapter ability triggers.
3. Holding priority, activate Hex Parasite by paying , removing a lore counter from There and Back Again and giving Hex Parasite +1/+0 until end of turn.
4. Resolve the There and Back Again ability, creating a legendary 6/6 Smaug creature token.
5. If you control two Smaugs, put one into your graveyard due to the legend rule.
6. If you do, the Smaug that died triggers, creating fourteen Treasure tokens.
7. If you made Treasures this way, activate six Treasures by tapping and sacrificing them, adding .
8. Activate Staff of Domination's third ability by paying and tapping it, untapping Satsuki.
9. Activate Staff of Domination's first ability by paying , untapping it.
10. Repeat.
11. Once you have infinite mana, you may use it to activate Staff of Domination's other abilities.

Results