have you thought about using Sanctum of Ugin insead of one or two evolving wilds?http://gatherer.wizards.com/Pages/Card/Details.aspx?printed=false&multiverseid=402022
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Another card you could use is Enlightened Tutor, since the only enchantment you run is Death pits.
Ghost Quarter, it's a land card that also helps destroy land. Just thought it might work here...
You cold always use Rune Snag instead of Counterspell to tap out their mana and help you survive till you get out your combo. Other than that tid bit, it's still a soild deck with or without.
Marrow shards would work wonders with this deck, Midnight charms work with the theme, and can do serious damage with Death pits. Dry spell hits everything, but Icatian Javelineers can be used for quick hits. Other than that, I quite enjoy this deck and may make one of my own soon. Thank you.
Infect Decks are my guilty pleasure, simply because you do half the damage for a faster game. That being said, I've found you RG Infect deck quite fast, and mana cheap. I generally play with U or B colors because I found their specialties to suite my nature. Though I now found more reason to play with the other colors more. This deck seems like a lot of fun, so for the idea, I thank you. -If it's not too much trouble, I'd appreciate any input from you on my decks. I'm relatively new but I've found interesting combos I'd like to verify are legal.