This seems like a pretty darn good Common
Extra combats and vehicles work well together considering some of the best vehicles have attack triggers, including Smuggler's Copter, Skysovereign, Consul Flagship, and Lumbering Worldwagon
It's also vital to consider the balance between card advantage and card selection
Joining the sets inclusion of Dalmatian Puppy, Tail Wagger - which will let the player include up to 99 copies of the same card in their deck, breaking the games standard limit of three - will be at least two named dalmatians of the One Hundred and One, all of which will be amber cards
Cards like Academy Manufactor, Tamiyos Journal, and Five Hundred Year Diary seem like good cards to include that specifically care about Clue tokens