(It almost always goes the other way.) Versatility: Neutral There are always players to enchant and negative abilities are most often useful, but Curses don't have the synergy that many other "mechanics" do
Triggers are often confused with replacement effects
Yes, that is also the main disadvantage to getting card advantage through drawing cards and yes, discard is also weakened by diminishing returns which card draw isn't, I am not comparing discard to card draw as a way towards card advantage, just stating the facts about cards in isolation
Of Herbs and Stewed Rabbit grows a creature, draws a card and makes two food, capping off with a big creature token payoff
Cyclopean Snare just taps a creature, both Puppet Strings and Icy Manipulators have better taps for less than 3 mana (one can untap creatures, the other can tap down non-creatures as well)