There's maybe no better card than Goblin Balloon Brigade to showcase the lifestyles, antics, and versatile tomfoolery that MTGs wicked little mountaineers get into
Each effect is small, but if you get addicted to it, there are powerful ones, and the pressure when engaging is very high
Captive Audience A Limited bomb thats just too expensive in any deck that wants to cast it, Captive Audience is a fun self-donater in a Ghen, Arcanum Weaver deck
I could be wrong about that, but usually a deck that focuses down on one or two things will do better than precons, which famously suffer from something akin to multiple personality disorder
Wizards had this to say about the mistake: An earlier version of the showcase artwork for Fanatical Strength in Murders at Karlov Manor inadvertently made it to print