You control a creature, artifact, or land that can produce at least ({2} magic symbol) .
Yenna does not have summoning sickness.
Steps
Activate the mana-producing permanent by tapping it, adding at least ({2} magic symbol) .
Activate
Yenna by paying ({2} magic symbol) and tapping it, creating a token copy of
Nature's Chosen attached to
Yenna, untapping
Yenna, and scrying 2.
Activate the
Nature's Chosen token's second ability by tapping
Yenna, untapping the mana-producing permanent.
Activate the
Nature's Chosen token's first ability by paying ({0} magic symbol) , untapping
Yenna.
Activate
Faith Healer by sacrificing the
Nature's Chosen token, gaining 1 life.
Repeat any number of times.
If the mana-producing permanent can produce at least ({3} magic symbol) , this combo produces infinite mana that artifacts, creatures, and lands you control can produce.
Results
Infinite lifegain.
Infinite lifegain triggers.
Infinite mana lands, artifacts, and creatures you control can produce.