Generated Brimaz Deck illegal ??

Hello all, I'd like to know if this generated Brimaz Deck is illegal or not. It contains 2 contruct : Noxious Gearhulk (4BB) and Torrential Gearhulk (4UU).
The only land able to produce "Any color" is Cavern of Souls. The deck also contain Gauntlet of Power...
Can the Gauntlet copy the second ability of the Cavern ?

The only land able to produce "Any color" is Cavern of Souls. The deck also contain Gauntlet of Power...
Can the Gauntlet copy the second ability of the Cavern ?
