Requires

Progenitor Mimic must be on the battlefield. Notorious Throng must be in hand. Vampire Charmseeker must be on the battlefield. Progenitor Mimic on the battlefield as a copy of Vampire Charmseeker. You control at least one Rogue that does not have summoning sickness and cannot be blocked by an opponent. Mana needed: each turn

Steps

1. Deal combat damage to an opponent using a Rogue.
2. Cast Notorious Throng for its prowl cost by paying , causing you to take an extra turn after this one.
3. At the beginning of your next upkeep, Progenitor Mimic triggers, creating a token copy of Vampire Charmseeker.
4. When the Vampire Charmseeker token enters the battlefield, it triggers, returning Notorious Throng from your graveyard to your hand.
5. Repeat.

Results