Mnemonic Wall + Crystal Shard + Walk the Aeons

Mnemonic Wall

Crystal Shard

Walk the Aeons

How it works

1. Cast Walk the Aeons by paying 4, taking an extra turn after this one.
2. Cast Mnemonic Wall by paying 4.
3. Mnemonic Wall enters the battlefield, returning Walk the Aeons from your graveyard to your hand.
4. Activate Crystal Shard by paying and tapping it, returning Mnemonic Wall from the battlefield to your hand.
5. Repeat each turn.