If your opponent's will win them the game before yours will win you the game, then your Pokemon is not a threat
Aether Channeler, Sea Gate Oracle, Watcher of Tomorrow, Couldblazer, Augur of Bolas, and many more not only draw you extra cards, but in many cases let you take your pick of cards from the top of your deck
Of course, the dream is to hit a Carnosaur out of an Etali trigger, but at worst you can count on the former ability to kill pesky little creatures or planeswalkers by discarding it from your hand, which comes very handy when youre playing around counterspells other than Stifle
Might be worth saving your bottle caps, but maybe you'll get lucky and find one
Butcher's Cleaver
The gold comes up mainly in the context of price and pull-rate discussion as the set's toughest and most expensive card, alongside broader fatigue with the run of small single-headliner sets