Venser, Shaper Savant | Peregrine Drake | Panharmonicon

Cards

You control up to five lands that can collectively tap to produce at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .
You have enough mana to pay for commander tax minus ({1} magic symbol) if applicable.

Activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Cast
Peregrine Drake by paying ({4} magic symbol) ({U} magic symbol) .
When
Peregrine Drake enters, it triggers twice. Resolve the first trigger, untapping five lands.
Holding priority, activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Resolve the second
Peregrine Drake trigger, untapping five lands.
Cast
Venser either from your hand or from the command zone by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) plus commander tax if applicable.
When
Venser enters, it triggers twice, returning it and
Peregrine Drake from the battlefield to your hand.
Repeat.