Chishiro, the Shattered Blade + Reins of the Vinesteed + Altar of Dementia

Prerequisites

• You control at least one Spirit.

Steps

1. 1Cast Reins of the Vinesteed by paying , attaching it to a Spirit.
2. 2Reins of the Vinesteed enters the battlefield, triggering Chishiro, creating a 2/2 Spirit token.
3. 3Activate Altar of Dementia by sacrificing the creature with Reins of the Vinesteed attached.
4. 4The creature dies, triggering Reins of the Vinesteed, returning Reins of the Vinesteed from your graveyard to the battlefield attached to a Spirit.
5. 5Reins of the Vinesteed enters the battlefield, triggering Chishiro, creating a 2/2 Spirit token.
6. 6Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Spirit's power.
7. 7Repeat from step 3.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill