Zinnia, Valley's Voice | Aang, the Last Airbender

Cards

You control up to five lands that can tap to produce at least ({4} magic symbol) .

Cast
Peregrine Drake by paying ({4} magic symbol) ({U} magic symbol) plus an additional ({2} magic symbol) for its offspring cost.
When
Peregrine Drake enters the battlefield, it triggers twice. Resolve the first trigger, untapping up to five lands.
Holding priority, activate up to five lands by tapping them, adding at least ({4} magic symbol) .
Resolve the second
Peregrine Drake trigger, creating a token copy of it that is 1/1.
When the
Peregrine Drake token enters the battlefield, it triggers, untapping up to five lands.
Activate up to five lands by tapping them, adding at least ({4} magic symbol) .
Cast
Aang by paying ({3} magic symbol) ({W} magic symbol) plus an additional ({2} magic symbol) for its offspring cost.
When
Aang enters, it triggers twice. Resolve the first trigger, airbending the nontoken
Peregrine Drake.
Resolve the second
Aang trigger, creating a token copy of it that is 1/1. Put the token into your graveyard due to the legend rule.
The token
Aang's enter-the-battlefield ability triggers, airbending
Aang.
Cast
Peregrine Drake from exile by paying ({2} magic symbol) plus an additional ({2} magic symbol) for its offspring cost.
Repeat steps 2 through 6 once.
Cast
Aang from exile by paying ({2} magic symbol) plus an additional ({2} magic symbol) for its offspring cost.
Repeat from step 8.

This combo has been estimated to be Exhibition (Bracket 1+).