In hand, they are basically 2/2 creatures tha play for 0
Greasefang, Okiba Boss Greasefang, Okiba Boss is certainly no slouch as a vehicle commander, but I wouldnt really use it as a rat commander unless I were going purely on theming
Gix Tempo Gix, Yawgmoth Praetor is essentially Mono Black Edric, Spymaster of Trest that has a slightly weaker card draw engine (you have to pay life) and weaker colors but instead comes with a built-in finisher, trading your individually weaker cards of 1/1 evasive creatures for actual haymakers and win conditions of your opponents' libraries
If I can make it work, good luck to anyone that ever comes up against it
Do not buy these productsthey contain outdated cards and the Toolkits were widely considered bad value for the money (the cards in todays precons are worth what theyre sold for, but the toolkits were always priced higher than the cards they contained)