Orvar, the All-Form, Clockspinning, and Roaming Throne

Prerequisites

• Orvar, the All-Form on the battlefield
• Clockspinning in hand
• Roaming Throne on the battlefield
• You control a nonlegendary permanent that enters the battlefield untapped and that can tap to produce at least
• available

Steps

1. Cast Clockspinning with buyback by paying , targeting Roaming Throne
2. Orvar triggers twice, creating two token copies of Roaming Throne
3. Resolve Clockspinning, returning it to your hand
4. Cast Clockspinning with buyback by paying , targeting Roaming Throne
5. Orvar triggers four times, creating four token copies of Roaming Throne
6. Resolve Clockspinning, returning it to your hand
7. Cast Clockspinning with buyback by paying , targeting any nonlegendary permanent you control that enters the battlefield untapped and that can tap to produce at least
8. Orvar triggers eight times, creating eight copies of the mana-producing permanent
9. Resolve Clockspinning, returning it to your hand
10. Activate four of the copies of the mana-producing permanent by tapping them, adding at least
11. Repeat from step 7

Results

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