You should be playing the Basilisk Collars over the gorgon's heads. Overall it is just a better card.
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Okay, lets look at a really good example of decks that run 1 of a card in them (excluding EDH) Jon Finkel's deck (the MTG year 2000 tournament winner) he ran 1 copy of these cards in his deck: Phyrexian colossus, Mishra's Helix, Crumbling sanctuary. Granted that he ran 4 tinkers this is still an example of a deck that ran multiple 1 copies of different cards. Just because a person has 1 of a Blightsteel colossus or a Emrakul, or maybe even 1 Mycosynth lattice in their deck doesn't mean they are noobs.
Hmm, a Door to nothingness deck would win.
-4 black lotus because... Well... That's just stupid. lol Lets throw in some Mox Sapphire and Mox Jet, a few Time walks. Good deck but I think the Lotus are silly xD
4 Sol Rings. xD Good deck though.
Not too sure how you feel about the card but would you use Gaea's Anthem?