Lithatog + Lumra, Bellow of the Woods + Port of Karfell + Tiller Engine
Lithatog
Creature — Atog
Lumra, Bellow of the Woods
Legendary Creature — Elemental Bear
Port of Karfell
Land
Tiller Engine
Artifact Creature — Construct
Result
- Infinite death triggers
- Infinite creature ETB
- Infinite landfall triggers
- Infinite creature LTB
- Infinitely large creature until end of turn
- Infinite mana lands you control can produce
- Infinite creature sacrifice triggers
- Infinite self-mill
- Put all land cards from your library and graveyard onto the battlefield
Combo data from Commander Spellbook.