Miscellaneous Dockside Extortionist Hullbreacher Karakas Leovold, Emissary of Trest Nadu, Winged Wisdom Prophet of Kruphix Sylvan Primordial Trade Secrets As much as Ive tried fitting cards into different sections, some didnt really fit in one of the other categories
Budget path, add those two
Creating a 4/4 flying Dragon is way better than making a 2/2 Wolf, and the chance that you can get more from a nat-20
It makes Primeval Titan a card that will win the game just by resolving
Efficiency can be determined simply by the reward you receive at certain mana costs (Counterspell and Cancel do the same thing, but Counterspell costs less), the total payoff you receive from a single card (Hull Breach and Decimate are both good cards, but Decimate usually covers much more ground), or the payoff you receive in conjunction with other cards (Anointed Procession makes other token production cards completely absurd if unchecked, which is usually better than adding one more card that simply makes tokens like Spectral Procession in a token strategy)
Crow Storm This is basically a perfect example of the normal card with a joke backed into the flavor. Its almost too normal, really