Selvala, Heart of the Wilds + Slimefoot and Squee + Maelstrom Wanderer + Phantom Train

Selvala, Heart of the Wilds

Slimefoot and Squee

Maelstrom Wanderer

Phantom Train

How it works

1. Activate Selvala by paying and tapping it, adding at least 1.
2. Activate Phantom Train twice by sacrificing Selvala and Slimefoot and Squee.
3. Activate Slimefoot and Squee by paying 1 and sacrificing a Saproling, returning it and Selvala from your graveyard to the battlefield.
4. When Slimefoot and Squee enters the battlefield, it triggers, creating a 1/1 Saproling creature token.
5. Repeat.

This engine uses Slimefoot and Squee's resurrection ability to endlessly loop itself and Selvala, Heart of the Wilds out of the graveyard by spending mana generated by Selvala's tap ability. Phantom Train acts as the necessary sacrifice outlet to send both legends to the graveyard while also providing a convenient way to pump its own stats and animate using sacrificed permanents. Meanwhile, Maelstrom Wanderer hangs in the background granting crucial haste to ensure everything is ready to move the moment it hits the board.