Id be down, but I have only been playing MTG for 7 years and dont think I have the knowledge you lot do. Regardless:

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How long have you been playing Magic?: 7 Years
Favorite mono-color: Blue
Favorite dual-color: Golgari (BG)
Favorite tri-color: Sultai (BUG)
Favorite plane: Innistrad
Favorite set: New Phyrexia
Favorite mechanic: Dredge or Infect, I cant decide
Favorite card: I have 2: Zada, Hedron Grinder because she brings out the Blue in Red, and Tasigur the Golden Fang because being able to dredge 2 basically anything and exile the cards you dont want on cast is powerful.
Favorite archetype/deck: Reanimator or Infect
What formats do you play?: EDH, Modern, Standard, Legacy, Casual
Favorite format: EDH
What is your least favorite thing about Magic?: Wizards wont print good cards into the new sets.
How much experience do you have with creating custom cards?: Tons. http://mtgcardsmith.com/user/Sorins_Thirst Theres some old cards I made on here that suck and some unbalanced cards, but overall I feel confident in my abilities.
Design a custom mechanic: Painborn (Each 1 life you pay while casting this pays for {1}. It enters the battlefield with a -1/-1 counter on it for each 1 life paid this way.)
Design a creature: 
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[img]http://mtgcardsmith.com/view/complete/full/2016/1/1/1451706761498113.png[/img]
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Design an instant, sorcery, artifact, or enchantment:
Edited to be a less generic one
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[img]http://mtgcardsmith.com/view/complete/full/2015/11/19/1447980948021749.png[/img]
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Design a non-basic land:
Its a little broken but hell, its one of my few lands
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[img]http://mtgcardsmith.com/view/complete/full/2016/1/26/1453828567052428.png[/img]
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Design a planeswalker:
The only Non-Joke planeswalker I made
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[img]http://mtgcardsmith.com/view/complete/full/2015/11/19/1447981537661241.png[/img]
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Do you have any ideas for a plot/setting?: Not really, although I am making a set based around 4 color Guilds/Factions on my own personal plane.
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