Brood Monitor + Mazzy, Truesword Paladin + Phyrexian Altar + Gift of Immortality

Prerequisites

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Steps

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

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count