The Team Rocket set introduced the concept of Dark Pokemon, and the biggest and baddest of all of them
It'll likely be pretty easy to put 20 or so power into play and remove several opposing permanents in the process of a single turn
Trample increases the chances it connects, first strike lets it hit first, then the combat damage trigger doubles damage from other attackers
Dark Claw Speaking of Dark Claw, here it is
The heavy blue mana cost, the incredibly flexible modal options, the appropriately inscrutable Wayne England artwork it was perfect, and an overnight success in Standard, Extended, and eventually Modern
There unfortunately arent any super high-value reprints in this deck, but it does include some good older cards for its theme