Chainer, Nightmare Adept, Infinite Reflection, Liliana, Dreadhorde General, and Unstable Shapeshifter

Prerequisites

• Chainer, Nightmare Adept in hand or on the battlefield or in the command zone or in exile or in your graveyard or in your library
• Infinite Reflection on the battlefield
• Liliana, Dreadhorde General on the battlefield
• Unstable Shapeshifter on the battlefield
• Infinite Reflection attached to Unstable Shapeshifter
• Any creature card that costs in graveyard

Steps

1. Discard a card to activate Unstable Shapeshifter's ability, allowing you to cast a creature spell from your graveyard this turn
2. Cast a creature spell from your graveyard by paying
3. That creature enters the battlefield as a copy of Unstable Shifter copying Chainer
4. Put that creature in the graveyard due to the legend rule
5. That creature entering the battlefield and dying triggers its own Chainer ability, Unstable Shapeshifter's Chainer ability, Unstable Shapeshifter's original ability, and Liliana
6. Resolve the two Chainer triggers, failing to grant anything haste
7. Resolve the Liliana trigger, drawing a card
8. Resolve the Unstable Shapeshifter ability, causing it to become a new copy of Chainer that has not yet activated its ability this turn
9. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite self-discard triggers
• Near-infinite storm count