Crystalline Crawler + Gravecrawler + Shilgengar, Sire of Famine + Szarel, Genesis Shepherd
Crystalline Crawler
Artifact Creature — Construct
Gravecrawler
Creature — Zombie
Shilgengar, Sire of Famine
Legendary Creature — Elder Demon
Szarel, Genesis Shepherd
Legendary Creature — Insect Druid
Result
- Infinite artifact tokens
- Infinite creature LTB
- Infinite creature ETB
- Infinite colored mana
- Infinite creature sacrifice triggers
- Infinite death triggers
- Infinite storm count
- Infinite self-discard triggers
- Infinite draw triggers
- Infinite rummaging
- Infinite Blood tokens
- Infinite +1/+1 counters on creatures you control
Combo data from Commander Spellbook.