Ashnod's Altar, Crystalline Crawler, Enduring Renewal, Light of Promise, and Pelakka Wurm

Prerequisites

• Ashnod's Altar on the battlefield
• Crystalline Crawler on the battlefield
• Enduring Renewal on the battlefield
• Light of Promise on the battlefield
• Pelakka Wurm in hand
• Light of Promise attached to Crystalline Crawler
• available

Steps

1. Cast Pelakka Wurm by paying
2. When Pelakka Wurm enters the battlefield, its first ability triggers, causing you to gain 7 life
3. Crystalline Crawler triggers, putting seven +1/+1 counters on itself
4. Activate Crystalline Crawler's first ability five times by removing five +1/+1 counters from it, adding
5. Activate Ashnod's Altar by sacrificing Pelakka Wurm, adding
6. When Pelakka Wurm dies, its second ability and Enduring Renewal trigger
7. Resolve the Pelakka Wurm trigger, causing you to reveal the top card of your library and put it into your graveyard if its a creature card, or draw a card otherwise
8. Resolve the Enduring Renewal trigger, returning Pelakka Wurm from your graveyard to your hand
9. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count
• Mill all creature cards in your library
• Near-infinite +1/+1 counters on Crystalline Crawler
• Near-infinite card draw
• Near-infinite colored mana
• Near-infinite colorless mana
• Near-infinite death triggers
• Near-infinite draw triggers
• Near-infinite ETB
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Put all noncreature cards from your library into your hand