Use the number of creatures you control and the number of Equipment you control when Slash of Light resolves to determine how much damage is dealt
It gives you a creature you can attack with, ramp with or use to half-assed-last-gasp and thats pretty sweet
Additionally, in Standard, the most popular multi-color control deck makes better use of tri-color Lands with basic Land types, such as Sparas Headquarters
Whilst you do need to meet the requirement of having three legendary creatures on your side of the battlefield, this requirement is actually a bit easier to meet than it sounds because Kolvori herself counts towards that, meaning you only need two additional legendary creatures by her side
Even if our strategy isn't the most optimal we can at least police the board until we're ready to win
Only time will tell if the unique draw of Bucky - Squirrel Squeak Tutor is enough to override its current lack of rarity, and as usual, it's better to simply enjoy the game than to invest heavily in speculative purchases