Kinnan, Bonder Prodigy + Birds of Paradise + Freed from the Real

Prerequisites

Freed from the Real attached to Birds of Paradise.

Steps

1. Activate Birds of Paradise by tapping it, adding two {U}{U}.
2. Activate Freed from the Real's second ability by paying {U}, untapping Birds of Paradise.
3. Repeat.
4. Once you have infinite blue mana, you may repeat for infinite colored mana.