Yarok, the Desecrated | Venser, Shaper Savant | Treachery

Cards

Yarok on the battlefield.
Venser and
Treachery in hand.
You control up to five lands that can tap to produce at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .

Activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Cast
Treachery by paying ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) , attaching it to
Yarok.
When
Treachery enters the battlefield, it triggers twice.
Resolve the first trigger, untapping up to five lands.
Activate up to five lands by tapping them, adding at least ({3} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Resolve the second trigger, untapping up to five lands.
Cast
Venser by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) .
When
Venser enters the battlefield, it triggers twice.
Resolve both
Venser triggers, returning it and
Treachery from the battlefield to your hand.
Repeat.