Crystalline Crawler, Dancing from Dark to Dawn, and Acererak the Archlich

Prerequisites

• Crystalline Crawler on the battlefield
• Dancing from Dark to Dawn on the battlefield
• Acererak the Archlich in hand
• available

Steps

1. Cast Acererak the Archlich by paying its mana cost
2. Dancing from Dark to Dawn's first ability triggers, putting three +1/+1 counters on Crystalline Crawler
3. Resolve the Acererak the Archlich spell
4. When it enters, it triggers, returning itself from the battlefield to your hand and causing you to venture into any dungeon except Tomb of Annihilation
5. Activate Crystalline Crawler three times by removing three +1/+1 counters from it, adding
6. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite +1/+1 counters
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite Treasure tokens
• Near-infinite colored mana
• Near-infinite creature tokens
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite lifeloss
• Near-infinite storm count
• Near-infinite ventures into the dungeon