Seems like Flying Weapon is winning.
For that card, there will be a LOT to write about... Suggestions for top 3 synergies? Right now, I'm thinking that the best flying weapons are Morning Glory (Divine Glory FTW), Druidic Staff (Adrenaline WTFheal), and probably Discord (+ Black Hole).
For a card like this I think you need to bend the rules. Animate weapon only has 12 possible uses. A short paragraph on each of the 'synergies' would really be all you need to write for Flying Weapon (apart from 1-2 short introductory paragraphs)(If this seems too much work I am sure the community could help with this if you want the help).
It is a very straightforward card, yet has many uses.
Example:
When Flying Weapon is used on a Titan, it becomes an unstoppable 7 damage, invunerable to all forms of damage based Creature Control. Why? Titans health is a giant 70, which is 40 health more than any other creature in the game! This of course means that it has great synergy with multiple other cards, such as Rage Potion(adding 5 unstoppable attack for an almost neligible loss of health) and Gravity Pull (a three card combo which as well as doing 6 damage a turn can block up to 70 damage. And if you play another gravity pull in time, you can even keep your Titan)
So really 12 little summaries of the flying weapon section of what will be the weapon featured card article. Sound like a lot of work, but then all the weapons will be much easier write.
(Just My Opinion)