Thank you soo soo much for the comment. (:
The reason for the runes is the amount that they give each. The marks are the highest giving rune and ATS is almost as important so i figured that i would split it to give the most i could ya know ?

The reason for the Wriggles is honestly sustainability. When you mix in the Quints you literally just farm with her burnout and get everything back which is especially helpful when you either Solo or your Team-Mate just vanishes like they always seem. The Frozen Mallet is a great idea i've been trying to think of a way to put it into the build but the way i have everything set up is to give just enough of a boost at the moment to give you and edge on the people. Because of the price of the Mallet i would have to play around with the correct build order to snuggle it in without killing the flow.
I'll dot that with the Comment thing itll help i kinda just was like wow... when ever it got down votes so that'll help (:

Cheat Sheet: well your runes are a little weird, you really need to focus on one particular thing in each rune category. Ex: Greater Mark of Attack Speedx9. Not 6 for attack speed and 3 for strength lol. You could have strength Quints and attack speed marks. I would also trade in Wriggle's Lantern for Frozen Mallet It gives extra health and a very nice slow. Shyvanna is a TANKY Dps, not a carry lol.

Guide: You know a good amount of coding which is awesome, but it could be more creative, dont be afraid to get out of your comfort zone. It will make your guide a lot nicer with more coding. You could use just 1 or 2 more cons to even the "pros and cons" out. Not everybody plays shyvanna the same way so you could add some optional runes, masteries, spells, items, etc. Give everybody a general idea of what to use with her. Go more in-depth with the gameplay, so people can learn how to play her.

Side Note: I dont see any reason to down-vote this guide. But people have, Put on "Comment to Vote" to stop people from down-voting for no reason.

Review: Nice guide with good information in it, +1 for the effort(: If you have any questions feel free to PM me(: