Necroduality + Rot Hulk + Repository Skaab

Prerequisites

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Steps

1. 1Cast Rot Hulk by paying .
2. 2When Rot Hulk enters, it and Necroduality trigger.
3. 3Resolve the Rot Hulk trigger, returning Repository Skaab from your graveyard to the battlefield.
4. 4When Repository Skaab enters, it and Necroduality trigger.
5. 5Resolve the Repository Skaab trigger, sacrificing it.
6. 6When Repository Skaab is exploited, Repository Skaab triggers, causing you to return an instant or sorcery from your graveyard to your hand.
7. 7Resolve the Necroduality trigger, creating a token copy of Repository Skaab.
8. 8When the token Repository Skaab enters, it triggers, sacrificing Rot Hulk.
9. 9When Rot Hulk is exploited, Repository Skaab triggers, causing you to return an instant or sorcery from your graveyard to your hand.
10. 10Resolve the Necroduality trigger from step 2, creating a token copy of Rot Hulk.
11. 11When the token Rot Hulk enters, it triggers, returning Rot Hulk from your graveyard to the battlefield.
12. 12Repeat from step 2.

Effects

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Return all instant and sorcery cards from your graveyard to your hand
• Return some creature cards from your graveyard to the battlefield