Requires

Basalt Monolith must be on the battlefield. Zirda, the Dawnwaker must be on the battlefield. The Blackstaff of Waterdeep must be on the battlefield. Basalt Monolith does not have summoning sickness. Mana needed:

Steps

1. Activate Basalt Monolith's first ability by tapping it, adding .
2. Activate The Blackstaff of Waterdeep by paying and tapping it, causing Basalt Monolith to become an artifact creature until end of turn.
3. Activate Basalt Monolith's second ability by paying , untapping it.
4. Activate Basalt Monolith's first ability by tapping it, adding .
5. Repeat from step 3.

Results