All 125 Combos with Mana Reflection

Yurlok of Scorch Thrash + Staff of Domination + Mana Reflection

Infinite Draw: Infinite black mana for all players, Infinite card draw, Infinite draw triggers, Infinite green mana for all players, Infinite lifegain, Infinite lifegain triggers, Infinite lifeloss, Infinite mana creatures you control can produce, Infinite red mana for all players, Infinite untap of creatures you control

Activate Yurlok of Scorch Thrash by paying {1} and tapping it, causing each opponent to add {B}{R}{G} and you to add {B}{B}{R}{R}{G}{G}. Activate Staff of Domination's third ability by paying {3} and tapping it, untapping Yurlok of Scorch Thrash. Activate Staff of Domination's first ability by paying {1}, untapping it. Repeat an arbitrarily large number of times. Once each player has infinite mana, use any of Staff of Domination's abilities, along with its first ability, to empty your mana pool. Move to the next step or phase, causing each player to lose life equal to the mana they lost. Each opponent loses the game due to having zero or less life.