Chishiro, the Shattered Blade, Reins of the Vinesteed, and Phyrexian Altar

Prerequisites

• Chishiro, the Shattered Blade on the battlefield
• Reins of the Vinesteed in hand
• Phyrexian Altar on the battlefield
• You control at least one Spirit
• available

Steps

1. Cast Reins of the Vinesteed by paying , attaching it to a Spirit
2. Reins of the Vinesteed enters the battlefield, triggering Chishiro, creating a 2/2 Spirit token
3. Activate Phyrexian Altar by sacrificing the creature with Reins of the Vinesteed attached, adding one mana of any color
4. The creature dies, triggering Reins of the Vinesteed, returning Reins of the Vinesteed from your graveyard to the battlefield attached to a Spirit
5. Reins of the Vinesteed enters the battlefield, triggering Chishiro, creating a 2/2 Spirit token
6. Repeat from step 3

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers