Volo, Guide to Monsters + Errant, Street Artist + Chromatic Orrery + Corridor Monitor + Twinning Staff

Volo, Guide to Monsters

Errant, Street Artist

Chromatic Orrery

Corridor Monitor

Twinning Staff

How it works

1. Activate Chromatic Orrery's first ability by tapping it, adding 5.
2. Cast Corridor Monitor by paying 2.
3. Volo triggers, creating two copies of the Corridor Monitor spell.
4. Activate Errant by paying 2 and tapping it, creating two copies of a copied Corridor Monitor spell.
5. Resolve a Corridor Monitor copy.
6. The Corridor Monitor token enters the battlefield, untapping Chromatic Orrery.
7. Activate Chromatic Orrery's first ability by tapping it, adding 5.
8. Resolve a Corridor Monitor copy.
9. The Corridor Monitor token enters the battlefield, untapping Errant.
10. Repeat from step 4.
11. Once you have infinite mana, you may instead activate Chromatic Orrery's second ability to draw infinite cards.