Agatha's Soul Cauldron + Arwen, Weaver of Hope + Beledros Witherbloom + Gristleback + Urza's Saga
Agatha's Soul Cauldron
Legendary Artifact
Arwen, Weaver of Hope
Legendary Creature — Elf Noble
Beledros Witherbloom
Legendary Creature — Elder Dragon
Gristleback
Creature — Boar Beast
Urza's Saga
Enchantment Land — Urza's Saga
Result
- Infinite colored mana
- Infinite creature tokens
- Infinite death triggers
- Infinite creature ETB
- Infinite lifegain
- Infinite lifegain triggers
- Infinite creature LTB
- Infinite power and toughness for certain creatures
- Infinite mana lands you control can produce
- Infinite creature sacrifice triggers
- Infinite untap of lands you control
Combo data from Commander Spellbook.