Leveler + Out of the Tombs + Trazyn the Infinite + Commander's Sphere

Prerequisites

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Steps

1. 1Cast Leveler by paying
2. 2When Leveler enters, it triggers, exiling your library.
3. 3Activate Trazyn the Infinite using Commander's Sphere's ability by sacrificing it.
4. 4Resolve the ability, using Out of the Tombs's ability to return Trazyn the Infinite from your graveyard to the battlefield instead of drawing a card.
5. 5Repeat from step 3.

Effects

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers