The standard prerelease promo is affordable enough, but the Staff stamped version was handed out only to the volunteers and employees who ran those events, which makes it one of the scarcest Snorlax printings in existence
Cyber Dragon, Exiled Force, and Last Will are all wins against a monster-only opening, and there are plenty more that you can find just by analyzing the decklist and some common opening situations
It's important to note that this game is distinct from other TCG games like Pokmon TCG Live
Triple Tactics Talent is essentially a Pot of Greed, Change of Heart, and The Forceful Sentry all in one crazily overpowered spell card
Also from Outlaws of Thunder Junction is the "crime" mechanic, where certain cards have effects when the player commits a crime - that is, if they target opponent, a permanent an opponent controls, or a card in an opponent's graveyard, although it does lead to some very funny statements out of context