Rakdos is a good color combination for sacrifice decks, as is Jund, meaning you can likely find a home for at least a few spectacle cards in these decks, especially Body Count

Release date: 2009-04-30 Ardent Plea Aven Mimeomancer Ethercaste Knight Ethersworn Shieldmage Fieldmist Borderpost Filigree Angel Glassdust Hulk Meddling Mage Offering to Asha Sanctum Plowbeast Shield of the Righteous Sovereigns of Lost Alara Stormcaller's Boon Talon Trooper Unbender Tine Wall of Denial Architects of Will Brainbite Deny Reality Etherium Abomination Illusory Demon Jhessian Zombies Kathari Remnant Lich Lord of Unx Mask of Riddles Mind Funeral Mistvein Borderpost Nemesis of Reason Soul Manipulation Soulquake Time Sieve Vedalken Ghoul Anathemancer Bituminous Blast Breath of Malfegor Deathbringer Thoctar Defiler of Souls Demonic Dread Demonspine Whip Igneous Pouncer Kathari Bomber Lightning Reaver Monstrous Carabid Sanity Gnawers Singe-Mind Ogre Terminate Thought Hemorrhage Veinfire Borderpost Blitz Hellion Bloodbraid Elf Colossal Might Deadshot Minotaur Dragon Broodmother Firewild Borderpost Godtracker of Jund Gorger Wurm Mage Slayer Predatory Advantage Rhox Brute Spellbreaker Behemoth Valley Rannet Vengeful Rebirth Violent Outburst Vithian Renegades Behemoth Sledge Captured Sunlight Dauntless Escort Enlisted Wurm Grizzled Leotau Knight of New Alara Knotvine Paladin Leonin Armorguard

First, check the seller's profile for history and ask if they have references or vouches from other members in the group
I both love and hate that card, mainly depending upon whether Im the one casting it
The logic for this is frustratingly complex and I wrote a python script to export the formulas for the 225 cells needed for a 15 player game
When you cast a spell, you get to add one red mana, which wont disappear as you move between steps and phases