Preston, the Vanisher, Blasting Station, Chord of Calling, and Metamorphosis Fanatic

Prerequisites

• Preston, the Vanisher on the battlefield
• Blasting Station on the battlefield
• Chord of Calling in hand
• Metamorphosis Fanatic in hand
• at most available

Steps

1. Cast Chord of Calling by paying at most , searching your library for Metamorphosis Fanatic and putting it onto the battlefield
2. When Metamorphosis Fanatic enters, it, Blasting Station and Preston trigger
3. Resolve the Blasting Station trigger, untapping it Resolve the Metamorphosis Fanatic trigger, returning an applicable target from your graveyard to the battlefield
4. If you returned a creature in step 4, Blasting Station triggers, untapping Blasting Station
5. Holding priority, activate Blasting Station by tapping it and sacrificing Metamorphosis Fanatic
6. Resolve the Preston trigger, creating a token copy of Metamorphosis Fanatic that is a 0/1 Illusion
7. When the Metamorphosis Fanatic token enters, it and Blasting Station trigger
8. Resolve the Blasting Station trigger, untapping it Resolve the Metamorphosis Fanatic token's trigger, returning Metamorphosis Fanatic from your graveyard to the battlefield
9. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite creature tokens
• Infinite damage
• Infinite death triggers
• Infinite recursion of creature cards in your graveyard
• Infinite sacrifice triggers