Requires

Ashaya, Soul of the Wild must be on the battlefield. Patron of the Orochi must be on the battlefield. Thespian's Stage must be on the battlefield. Arbor Elf must be on the battlefield. Forests and green creatures you control can tap to produce at least . Thespian's Stage and Arbor Elf do not have summoning sickness.

Steps

1. Activate all Forests and all mana-producing green creatures you control by tapping them, adding at least .
2. Activate Thespian's Stage's second ability by paying and tapping it, causing it to become a copy of Patron of the Orochi.
3. Put Patron of the Orochi into your graveyard due to the legend rule.
4. Activate Arbor Elf by tapping it, untapping Thespian's Stage.
5. Activate Thespian's Stage using Patron of the Orochi's ability by tapping it, untapping all Forests and all green creatures.
6. Activate all Forests and all mana-producing green creatures you control by tapping them, adding at least .
7. Activate Thespian's Stage using its own ability by paying and tapping it, causing it to become a copy of itself, which causes it to become a copy of Patron of the Orochi.
8. Repeat from step 4.
9. If Forests and/or green creatures you control can tap to produce at least , this combo nets infinite mana.

Results