Orvar, the All-Form, Clockspinning, Chromatic Orrery, and Mirror Box

Prerequisites

• Orvar, the All-Form on the battlefield
• Clockspinning in hand
• Chromatic Orrery on the battlefield
• Mirror Box on the battlefield

Steps

1. Activate Chromatic Orrery's first ability by tapping it, adding
2. Cast Clockspinning with buyback by paying , targeting Chromatic Orrery
3. Orvar's first ability triggers, creating a token copy of Chromatic Orrery
4. Resolve Clockspinning, returning it to your hand
5. Repeat
6. Once you have infinite mana, you may instead activate the Chromatic Orrery tokens using their second abilities, or target any other permanent

Results

• Infinite card draw
• Infinite colored mana
• Infinite colorless mana
• Infinite copies of all permanents you control
• Infinite creature tokens
• Infinite draw triggers
• Infinite ETB
• Infinite landfall triggers
• Infinitely large nontoken creatures you control
• Infinite magecraft triggers
• Infinite storm count