Phyrexian Altar, Insidious Roots, and Cult Conscript

Prerequisites

• Phyrexian Altar on the battlefield
• Insidious Roots on the battlefield
• Cult Conscript on the battlefield
• available

Steps

1. Activate Phyrexian Altar by sacrificing Cult Conscript, adding
2. Activate Cult Conscript by paying , returning it from your graveyard to the battlefield
3. Insidious Roots triggers, creating a creature token and putting a +1/+1 counter on each Plant you control
4. Activate Phyrexian Altar by sacrificing the creature token, adding
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on Plants you control