Displacer Kitten, Throne of Eldraine, and Whim of Volrath

Prerequisites

• Displacer Kitten on the battlefield
• Throne of Eldraine on the battlefield
• Whim of Volrath in hand
• if Throne of Eldraine's chosen color is not "Blue" available

Steps

1. If able, activate Throne of Eldraine's first ability by tapping it, adding that can only be spent to cast blue monocolored spells
2. Cast Whim of Volrath with buyback by paying , targeting Displacer Kitten
3. Displacer Kitten triggers, blinking Throne of Eldraine
4. Choose "Blue" as it enters the battlefield
5. Resolve Whim of Volrath, returning it to your hand
6. Repeat

Results

• Infinite blinking of nonland permanents you control
• Infinite magecraft triggers
• Infinite colored mana that can only be spent to cast monocolored spells
• Infinite LTB
• Infinite ETB
• Infinite storm count