Survey Mechan, Mortuary, Ashnod's Altar, Insidious Roots, and Kaya, Geist Hunter

Prerequisites

• Survey Mechan on the battlefield
• Mortuary on the battlefield
• Ashnod's Altar on the battlefield
• Insidious Roots on the battlefield
• Kaya, Geist Hunter on the battlefield

Steps

1. Activate Kaya's second loyalty ability by removing two loyalty counters from it, causing you to double any tokens you create this turn
2. Activate Survey Mechan by sacrificing it
3. When Survey Mechan dies, Mortuary triggers, putting Survey Mechan from your graveyard onto the top of your library
4. Insidious Roots triggers, creating two creature tokens and putting a +1/+1 counter on each Plant you control
5. Resolve the Survey Mechan ability, dealing 3 damage to any target and causing you to draw three cards and gain 3 life
6. Activate Ashnod's Altar twice by sacrificing the two creature tokens, adding
7. Cast Survey Mechan by paying
8. Repeat from step 2

Results

• Near-infinite damage
• Infinite card draw
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite storm count
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers
• Near-infinite +1/+1 counters on Plants you control