Venser, Shaper Savant | Peregrine Drake

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.

This combo has been estimated to be Ruthless (Bracket 4+).