Invasion of Arcavios // Invocation of the Founders + Tidespout Tyrant + Walk the Aeons

Invasion of Arcavios // Invocation of the Founders

Tidespout Tyrant

Walk the Aeons

How it works

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

This powerful loop centers around the massive presence of Tidespout Tyrant, whose flying body and casting trigger turn every spell you play into a bounce spell. By casting Invasion of Arcavios, you not only trigger the Tyrant to bounce an arbitrary permanent, but the Siege's entering-the-battlefield ability also secures Walk the Aeons from your graveyard or library, setting up your next move. You then cast Walk the Aeons to take an extra turn, which in turn triggers Tidespout Tyrant to pick up Invasion of Arcavios so you can replay it and repeat the whole cycle indefinitely.