Inalla, Archmage Ritualist | Cloudstone Curio | Peregrine Drake (and one other card)

Cards

You control up to five lands that can tap to produce at least ({3} magic symbol) ({U} magic symbol) .
"Wizard" chosen with
Xenograft.

Activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) .
Cast
Peregrine Drake by paying ({4} magic symbol) ({U} magic symbol) .
When
Peregrine Drake enters the battlefield, it,
Cloudstone Curio and
Inalla trigger.
Resolve the
Cloudstone Curio trigger, returning nothing to your hand from the battlefield.
Resolve the
Peregrine Drake trigger, untapping up to five lands.
Activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) .
Resolve the
Inalla trigger, causing you to pay ({1} magic symbol) to create a token copy of
Peregrine Drake with haste.
When the
Peregrine Drake token enters the battlefield, it and
Cloudstone Curio trigger.
Resolve the
Cloudstone Curio trigger, returning the nontoken
Peregrine Drake to your hand from the battlefield.
Resolve the
Peregrine Drake trigger, untapping up to five lands.
Repeat.

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