Requires

Yenna, Redtooth Regent must be on the battlefield. Nature's Chosen must be on the battlefield. Phantatog must be on the battlefield. You control a creature, artifact, or land that can produce at least . Yenna does not have summoning sickness.

Steps

1. Activate the mana-producing permanent by tapping it, adding at least .
2. Activate Yenna by paying and tapping it, creating a token copy of Nature's Chosen attached to Yenna, untapping Yenna, and scrying 2.
3. Activate the Nature's Chosen token's second ability by tapping Yenna, untapping the mana-producing permanent.
4. Activate the Nature's Chosen token's first ability by paying , untapping Yenna.
5. Activate Phantatog's first ability by sacrificing the Nature's Chosen token, causing Phantatog to get +1/+1 until end of turn.
6. Repeat any number of times.
7. If the mana-producing permanent can produce at least , this combo produces infinite mana that artifacts, creatures, and lands you control can produce.

Results