Invasion of Arcavios // Invocation of the Founders, Tidespout Tyrant, and Beacon of Tomorrows

Prerequisites

• Invasion of Arcavios // Invocation of the Founders in hand
• Tidespout Tyrant on the battlefield
• Beacon of Tomorrows in hand or in the graveyard or in the library
• each turn available

Steps

1. Cast Invasion of Arcavios by paying
2. Tidespout Tyrant triggers, returning a permanent to its owner's hand
3. When Invasion of Arcavios enters the battlefield, it triggers, returning Beacon of Tomorrows from your graveyard to your hand, or searching your library for Beacon of Tomorrows and putting it into your hand, if needed
4. Cast Beacon of Tomorrows by paying
5. Tidespout Tyrant triggers, returning Invasion of Arcavios to your hand from the battlefield
6. Resolve Beacon of Tomorrows, causing you to take an extra turn after this one and shuffle it into your library
7. Repeat each turn

Results

• Infinite turns