Sure, you have to sacrifice an artifact as an extra cost, but that often helpsespecially with cards that want to die anyway, like Ichor Wellspring
In EDH it's impossible to play a 200+ card deck due to the rules of the format, but in its Standard format, Battle of Wits decks were somewhat competitive
Muscle Sliver
That's a significant weakness for white in Commander, but we will take the general categories and find things that work within the Commander format
Download the Bulk Pokmon Cards Report to review the 100 most expensive Rare, Uncommon, and Common cards currently in print
Pikachu Illustration Rare #173: ~$93 The mascot's IR sits around $93, but this is the one card on the list moving the wrong way: eBay sold prices have slipped about 20% in the past month (recent solds near $69 against higher listed markets)