Kappa Cannoner is an Artifact Creature that costs with Improvise, meaning you can tap other Artifacts you control instead of paying its generic mana cost
Instead of ranking decks on a single-dimensional scale like the Commander Power Level Chart, I rank decks according to four different factors: Power : This factor is a combination of the Commander's power tier and the power of individual cards in the deck
It is a nice turn 4 play to shift him out and either remove something big or just quest
While not available as a commander option, you can also speed up the ThreatenThreatens by combining this with Sigurd, Jarl of RavensthorpeSigurd, Jarl of Ravensthorpe, though you wouldn't be getting much utility out of Chapter IV
Ive managed to sell tons of unopened Secret Lairs, as well as random things like stacks of foil lands, full-arts, etc