Synod Artificer + Chromatic Orrery + Freed from the Real

Synod Artificer

Chromatic Orrery

Freed from the Real

How it works

1. Activate Chromatic Orrery's first ability by tapping it, adding 5.
2. Activate Synod Artificer's second ability by paying 1 and tapping it, untapping Chromatic Orrery.
3. Activate Freed from the Real's second ability by paying 1, untapping Synod Artificer.
4. Repeat for infinite mana.
5. Once you have infinite mana, you may instead use Chromatic Orrery's last ability to draw infinite cards.