Basalt Monolith + Prismatic Geoscope + Trazyn the Infinite
B identity
Commander legal
The 3 combo pieces
What must be in place
There are at least four basic land types among lands you control
How to execute it
- Activate Trazyn using Prismatic Geoscope's ability by tapping it, adding at least four mana of any color.
- Activate Trazyn using Basalt Monolith's ability by paying {3}, untapping Trazyn.
- Repeat.
What the combo produces
- Infinite colored mana
- Infinite colorless mana