Yenna, Redtooth Regent + Nature's Chosen + Phantatog

Prerequisites

• You control a creature, artifact, or land that can produce at least .
• Yenna does not have summoning sickness.

Steps

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

Effects

• Infinite mana lands, artifacts, and creatures you control can produce
• Infinite scry
• Infinitely large creature until end of turn