Mazzy, Truesword Paladin + Phyrexian Altar + Gift of Immortality + Kozilek's Predator

Mazzy, Truesword Paladin

Phyrexian Altar

Gift of Immortality

Kozilek's Predator

How it works

1. Activate Phyrexian Altar by sacrificing Kozilek's Predator, adding .
2. When Kozilek's Predator dies, Mazzy's second ability and Gift of Immortality trigger.
3. Resolve the Mazzy trigger, exiling Gift of Immortality with the ability to cast it until end of your next turn.
4. Resolve the Gift of Immortality trigger, returning Kozilek's Predator from your graveyard to the battlefield.
5. When Kozilek's Predator enters, it triggers, creating two creature tokens.
6. Activate two creature tokens by sacrificing them, adding CC.
7. Cast Gift of Immortality from exile by paying 2, attaching it to Kozilek's Predator.
8. Repeat.