Staff of Domination + Bloom Tenderearly
Infinite lifegain triggers, Infinite lifegain, Infinite card draw, Infinite untap of creatures you control, Infinite draw triggers, Infinite mana creatures you control can produce, Infinite colored mana
Staff of Domination + Priest of Titaniaearly
Infinite card draw, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite untap of creatures you control, Infinite mana creatures you control can produce, Infinite green mana
Staff of Domination + Circle of Dreams Druid
Infinite card draw, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite mana creatures you control can produce, Infinite untap of creatures you control, Infinite green mana
Staff of Domination + Deathbloom Ritualist
Infinite card draw, Infinite colored mana, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite mana creatures you control can produce, Infinite untap of creatures you control
Staff of Domination + Elvish Archdruid
Infinite card draw, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite untap of creatures you control, Infinite mana creatures you control can produce, Infinite green mana
Staff of Domination + Marwyn, the Nurturer
Infinite card draw, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite mana creatures you control can produce, Infinite untap of creatures you control, Infinite green mana
Staff of Domination + Selvala, Heart of the Wilds
Infinite card draw, Infinite colored mana, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite mana creatures you control can produce, Infinite untap of creatures you control
Staff of Domination + Wirewood Channeler
Infinite card draw, Infinite colored mana, Infinite draw triggers, Infinite lifegain, Infinite lifegain triggers, Infinite mana creatures you control can produce, Infinite untap of creatures you control
Tyvar, the Pummeler + Devoted Druid
Infinite green mana, Infinitely large creatures you control until end of turn
Combo data from Commander Spellbook. “Early” combos (cheap enough to win in the first few turns) put a deck at Bracket 4; the rest are at home in Bracket 3.