Brago, King Eternal + Mnemonic Wall + Walk the Aeons

Brago, King Eternal

Mnemonic Wall

Walk the Aeons

How it works

1. Cast Walk the Aeons by paying 4, getting an extra turn after this one.
2. Move to your combat phase.
3. Deal combat damage with Brago, blinking Mnemonic Wall.
4. Mnemonic Wall enters the battlefield, returning Walk the Aeons from your graveyard to your hand.
5. Move to your next turn.
6. Repeat.