So maneh posts! xD
I love this idea! I've been meaning on doing something like this for a long time now, hehe.
Starting Pokemon: Level 1 Meowth (September 27th)
Goal: Level 100 Pokemon
Game: X
At first I wanted to do an event Pokemon too, so I thought how about Jirachi? But I thought, let's see if there are any Jirachi on the GTS, and I checked... and I was horrified. So I'm going for something less likely to be hacked. As for my starter, she's a random level 1 Meowth, no IVs and no egg moves. Her only forte is that she's a bank Pokemon, which may not mean much nowadays anyway hehe.
[EDIT]
So I put up my Meowth for a Togetic, figured an evolved bank Pokemon would be better than a level 1 bank Pokemon, plus I was missing the 'dex entry hehe. So I get a level 17 female Togetic named Jay Jay, that I immediately put up for trade, and as I'm depositing her, I notice she's marked as a 5IV. Nice. For my next target I chose Blaziken, also missing 'dex entry. Ten minutes later, I think, hey I should probably check if it that Togetic really is a 5IV, and then edit my message on the GTS, to attract people. So I go to the GTS, and lo and behold, it was already traded! I'm now staring at the summary screen of a level 41, German male Blaziken with Speed Boost. I wonder what I should put him up for, hmm.
tl;dr Meowth lv 1 > Togetic lv 17 > Blaziken lv 41
This is going well! Good luck.
Im actually surprised how many pokemon are no longer hacked these days but ive aimed for all time extreme high on mine GL with yours
Also small update: I just had a question the blaziken I traded for had the blazikenite holding and I was wondering if im allowed to keep it or trade it as is?
The rules state no tampering with the pokemon, but I can make an exception for mega stones if you so choose.
Starting Pokemon: Level 10 Squirtle on Sept. 27
Goal: Suicine
Game: Pokemon X
Should be fun!
Good luck.
Starting Pokemon: Pansear, Level 4, Sept 27
Goal: Giratina
Game: X
This seems pretty fun c:
I'll sign you up. Best of luck!
I actually changed it again from meloetta cuz I didn't see any on the GTS so I wasn't sure if they were even in circulation XD
I changed it to Giratina now cuz at least those are on the GTS.
And I have some progress so far!

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Traded for Ralts on 9/27/14

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Traded Ralts for Dratini on 9/27/14

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Hoping to trade for an Articuno as this Dratini is adamant and has some egg moves!
Ok, I'll embed this.
Great idea for a challenge, I'll start tomorrow.
Starting Pokemon: Magikarp Level 1
Goal: Level 100 Shiny Pokemon
Game: X
You know this is going to be long. XD
Good luck!