Mortuary, Carrion Feeder, Aluren, and Dream Thief

Prerequisites

• Mortuary on the battlefield
• Carrion Feeder on the battlefield
• Aluren on the battlefield
• Dream Thief in hand
• You have cast another blue spell this turn

Steps

1. Cast Dream Thief by paying
2. Dream Thief enters the battlefield, triggering its ability
3. Holding priority, activate Carrion Feeder by sacrificing Dream Thief
4. Dream Thief dies, triggering Mortuary, putting Dream Thief on top of your library from your graveyard
5. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
6. Resolve the Dream Thief trigger from step 2, causing you to draw Dream Thief from the top of your library
7. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite draw triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count