Orvar, the All-Form, Spark Double, and Clockspinning

Prerequisites

• Orvar, the All-Form on the battlefield
• Spark Double on the battlefield
• Clockspinning in hand
• You control an Island that enters the battlefield untapped
• available

Steps

1. Cast Clockspinning with buyback by paying , targeting Spark Double
2. Orvar triggers, creating a token copy of Spark Double that enters the battlefield as a nonlegendary token copy of Orvar
3. Resolve Clockspinning, returning it to your hand
4. Cast Clockspinning with buyback by paying , targeting Spark Double
5. Orvar and the Spark Double token trigger, creating two token copies of Spark Double that enters the battlefield as a nonlegendary token copy of Orvar
6. Resolve Clockspinning, returning it to your hand
7. Cast Clockspinning with buyback by paying , targeting any Island that enters the battlefield untapped
8. Orvar, Spark Double and the three Spark Double tokens trigger, creating five token copies of the Island
9. Resolve Clockspinning, returning it to your hand
10. Activate four of the Island tokens by tapping them, adding
11. Repeat from step 7
12. Once you have infinite mana, you can then target any permanent using Clockspinning to get infinite tokens of them

Results

• Infinite copies of permanents you control
• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers
• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite proliferate
• Infinite storm count