Chakram Retriever + Helga, Skittish Seer + Sparkcaster
Chakram Retriever
Creature — Elemental Dog
Helga, Skittish Seer
Legendary Creature — Frog Druid
Sparkcaster
Creature — Kavu
Result
- Near-infinite damage
- Infinite card draw
- Near-infinite lifegain
- Near-infinite lifegain triggers
- Near-infinite creature ETB
- Infinite draw triggers
- Near-infinite storm count
- Near-infinite creature LTB
- Near-infinite +1/+1 counters on a creature
- Near-infinite colored mana that can only be spent to cast creature spells with mana value 4 or greater or creature spells with X in their mana cost
Combo data from Commander Spellbook.