Isochron Scepter + Noxious Revival + Walk the Aeons

Isochron Scepter

Noxious Revival

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 Noxious Revival without paying its mana cost.
3. Resolve the Noxious Revival, returning Walk the Aeons from your graveyard to your hand.
4. Move to your next turn.
5. Repeat.