Having more card draw in your decks is always the right choice, but it can be tough to find space for straight card advantage cards since they're not as interesting as the other things we're trying to do
While they arent goblin creatures themselves, they slot naturally into tribal builds and help round out strategies that want more than just raw creature pressure
We also opened Slash of Light and Airship Crash, two other removal spells that push us toward playing white and green respectively
UR just has so many good payoffs, while themes like wizards or go wide are murkier
While only available in Collector Boosters, it could be found in boosters of any language, though the Mana Foil cards are always in English
Add in discard outlets like big creatures with Cycling (which you can grab back), Golbez, Crystal Collector's own Surveil ability, and old classics like Bottomless Pit, and we've got a nasty little engine here