Chromatic Orrery + Umbral Mantle + Karn's Touch

Prerequisites

• Chromatic Orrery does not have summoning sickness.

Steps

1. 1Activate Chromatic Orrery's first ability by tapping it, adding .
2. 2Cast Karn's Touch by paying , causing Chromatic Orrery to become an artifact creature until end of turn.
3. 3Activate Umbral Mantle's equip ability by paying , attaching it to Chromatic Orrery.
4. 4Activate Chromatic Orrery by paying and untapping it, giving it +2/+2 until end of turn.
5. 5Activate Chromatic Orrery's first ability by tapping it, adding .
6. 6Repeat from step 4.
7. 7Once you have infinite mana, you may instead use Chromatic Orrery's second ability if you control a colored permanent.

Effects

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite draw triggers
• Infinite untap of creatures you control
• Infinitely large creature until end of turn