Seasons Past + Walk the Aeons + Coveted Prize

Seasons Past

Walk the Aeons

Coveted Prize

How it works

1. Cast Seasons Past by paying 4, returning Walk the Aeons, Coveted Prize, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library.
2. Cast Coveted Prize by paying 4, putting Seasons Past from your library into your hand.
3. Cast Walk the Aeons by paying 4, granting you an extra turn.
4. Repeat each turn.