We encourage you to use this opportunity to engage your community through in-store events and introduce them to our services." The OG poster mentions they spoke to a longtime store manager who claims that no other TCG has these restrictions at GameStop, which has led the manager to believe that GameStop cannot get enough allocation of Pokmon TCG products to keep up with demand
Although these cards are rare, it does not necessarily mean the card is or will be worth more than a 2-star card, which you have a 1 in 32 pack chance of pulling, on average
More information on Falkner and his gym can be found here
Sly Instigator will help an opponents (hopefully large) creature get through this turn and be sure to swing in someone elses direction next
If you lose the flip, remove this creature from combat and it can't block this turn
However, according to TCG Player, this is the only card from the original Trick or Trade packs that has steadily increased in price over the past two years