Carmen, Cruel Skymarcher + Ghave, Guru of Spores + Phyrexian Altar

Prerequisites

• There is a removable +1/+1 counter on a creature you control.

Steps

1. 1Activate Ghave's first ability by paying and removing a +1/+1 counter from a creature you control, creating a 1/1 Saproling creature token.
2. 2Activate Phyrexian Altar by sacrificing the Saproling, adding .
3. 3Carmen's first ability triggers, putting a +1/+1 counter on it and causing you to gain 1 life.
4. 4Repeat.

Effects

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain
• Infinite lifegain triggers