Magus of the Candelabra + Staff of Domination + High Tide
Magus of the Candelabra
Staff of Domination
High Tide
Infinite card drawInfinite draw triggersInfinite lifegainInfinite lifegain triggersInfinite mana creatures you control can produceInfinite mana lands you control can produceInfinite untap of creatures you controlInfinite untap of lands you control
How it works
Cast High Tide by paying .
Activate five Islands by tapping them, adding .
High Tide triggers five times, adding .
Activate Magus of the Candelabra by paying 5 and tapping it, untapping five Islands.
Activate Staff of Domination's third ability by paying 3 and tapping it, untapping Magus of the Candelabra.
Activate Staff of Domination's first ability by paying 1, untapping Staff of Domination.
Repeat from step 2.
Once you have infinite mana, you may use it to activate Staff of Domination's other abilities.