Mystic Retrieval + Runic Repetition + Notorious Throng

Mystic Retrieval

Runic Repetition

Notorious Throng

How it works

1. Deal combat damage to an opponent using a Rogue.
2. Cast Notorious Throng for its prowl cost by paying 5, causing you to take an extra turn after this one and creating a number of 1/1 Faerie Rogue creature tokens.
3. Cast Mystic Retrieval by paying 3, returning Runic Repetition to your hand from your graveyard.
4. Cast Mystic Retrieval from your graveyard for its flashback cost by paying 2, returning Notorious Throng from your graveyard to your hand and exiling Mystic Retrieval.
5. Cast Runic Repetition by paying 2, returning Mystic Retrieval from exile to your hand.
6. Repeat each turn.