Orvar, the All-Form + Throne of Eldraine + Clockspinning + Mirror Box

Prerequisites

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Steps

1. 1If able, activate Throne of Eldraine's first ability by tapping it, adding that can only be spent to cast blue monocolored spells.
2. 2Cast Clockspinning with buyback by paying , targeting Throne of Eldraine.
3. 3Orvar's first ability triggers, creating a copy of Throne of Eldraine. Choose "Blue" as its color as it enters the battlefield.
4. 4Resolve Clockspinning, returning it to your hand.
5. 5Repeat.

Effects

• Infinite magecraft triggers
• Infinite storm count