Aesi, Tyrant of Gyre Strait, Mystic Sanctuary, Tidal Bore, and Llanowar Scout

Prerequisites

• Aesi, Tyrant of Gyre Strait on the battlefield
• Mystic Sanctuary on the battlefield
• Tidal Bore in hand
• Llanowar Scout on the battlefield
• Llanowar Scout does not have summoning sickness
• You control at least four Islands

Steps

1. Cast Tidal Bore by returning Mystic Sanctuary from the battlefield to your hand, untapping Llanowar Scout
2. Activate Llanowar Scout by tapping it, putting Mystic Sanctuary from your hand onto the battlefield
3. When Mystic Sanctuary enters the battlefield, it and Aesi trigger
4. Resolve the Mystic Sanctuary trigger, putting Tidal Bore on top of your library from your graveyard
5. Resolve the Aesi trigger, causing you to draw Tidal Bore from the top of your library
6. Activate Mystic Sanctuary by tapping it, adding
7. Repeat

Results

• Infinite blue mana
• Infinite draw triggers
• Infinite landfall triggers
• Infinite magecraft triggers
• Infinite storm count