Walk the Aeons + Seasons Past + Mastermind's Acquisition

Walk the Aeons

Seasons Past

Mastermind's Acquisition

How it works

1. Cast Seasons Past by paying 4, returning Walk the Aeons, Mastermind's Acquisition, and any number of cards with different mana costs to your hand and putting Seasons Past on the bottom of your library.
2. Cast Mastermind's Acquisition by paying 2, 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.