Karn, the Great Creator, Freed from the Real, and Chromatic Orrery

Prerequisites

• Karn, the Great Creator on the battlefield
• Freed from the Real in hand
• Chromatic Orrery on the battlefield
• available

Steps

1. Activate Karn's first loyalty ability, causing Chromatic Orrery to become an artifact creature until end of turn
2. Cast Freed from the Real by paying , enchanting Chromatic Orrery
3. Activate Chromatic Orrery by tapping it, adding
4. Activate Freed from the Real by paying , untapping Chromatic Orrery
5. Repeat from step 2

Results

• Infinite card draw
• Infinite colored mana