Connive is a Villain-themed mechanic that allows you to dig through your deck while discarding unneeded cards and powering up your Villains at the same time, which fits the Villain mindset wonderfully
Many vendors visit the same stores on the same days each week, so once you identify the pattern, you can time your visits accordingly
Taking more skill tests is better for Bless tokens if you just wanted to use them for the +2 modifier because you are more likely to use them before the scenario ends, but a bit worse if you wanted them to stick around long enough for use with something like Rite of Sanctification or Radiant Smite
If you insist on fetch lands My suggestion is to replace them with a full playset of Fabled Passage or a combination of Escape Tunnel, Evolving Wilds and Terramorphic Expanse so you can have a little more mana flexibility
Along with cards such as Locke [4-048L] which have good synergy with those that can grant Haste, it may be possible to construct a Fire/Ice Haste deck with mainly Category VI cards
You Will Sink, To the Bottom