Magus Lucea Kane + Ashaya, Soul of the Wild + Magus of the Candelabra
Infinite Mana: Infinite colorless mana, Infinite mana lands you control can produce, Infinite green mana, Infinite untap of nontoken creatures you control, Infinite copies of abilities with {X} in their cost, Infinite copies of spells with {X} in their cost, Infinite mana nontoken creatures you control can produce, Infinite untap of lands you control
Activate Magus Lucea Kane by tapping it, adding {C}{C}.
Activate Magus of the Candelabra by paying {2} and tapping it, targeting it and Magus Lucea Kane.
Magus Lucea Kane triggers, copying the Magus of the Candelabra ability, untapping Magus of the Candelabra and Magus Lucea Kane.
Holding priority, repeat as many times as desired.
Resolve a Magus of the Candelabra ability, untapping it and Magus Lucea Kane.
Activate Magus Lucea Kane and Magus of the Candelabra by tapping them, adding {C}{C}{G}.
Repeat from step 5 for each stacked Magus of the Candelabra ability.
Optionally, cast a spell with {X} in its mana cost or activate an ability with {X} in its activation cost, causing it to be copied once for each time Magus Lucea Kane was activated in step 6.
If desired, you can repeat this loop from step 1 and cost other spells or activate other abilities with {X} in their cost.
Cards: Magus Lucea Kane, Ashaya, Soul of the Wild, Magus of the Candelabra