Isochron Scepter + Reclaim + Walk the Aeons

Isochron Scepter

Reclaim

Walk the Aeons

How it works

1. Cast Walk the Aeons by paying 4, taking an extra turn after this one.
2. Activate Isochron Scepter by paying 2, casting a copy of Reclaim without paying its mana cost.
3. Resolve the Reclaim, returning Walk the Aeons from your graveyard to your top of your library.
4. Move to your next turn.
5. Repeat.