They first popped up in the EX Ruby & Sapphire set and became instant fan favs thanks to their awesome powers and features
Use Marrow-Gnawer's ability to sacrifice one of your rats to make two more 1/1 Rat tokens
It might be going some sort of Upheaval route with a bit more ramp so as to lock people out of games
Theyre kind of like lands that you pay mana for, but theyre beneficial because they speed your game plan up to generate more mana early
Assassin's Ink Cacophony Unleashed Deadly Designs Disruptive Stormbrood Drudge Spell Feast of Dreams Feed the Swarm Font of Agonies Ghastly Death Tyrant Grave Peril Imprison Lethal Vapors Lich Parallax Dementia Popular Egotist Quagmire Druid Seal of Doom Season of the Witch Shatter the Oath Shredder's Technique Sidequest: Hunt the Mark Sinister Concoction Tombstone Stairwell Underhanded Designs Vile Requiem Volrath's Dungeon Wave of Terror Withering Torment Worms of the Earth
(For those of you who dont speak nerd, you may need to do a bit of research to understand exactly what this means.) The game format is unique because it blends competitive gaming with the social philosophy of kitchen table magic, which is the idea that you can build decks and compete with each other, but in a multiplayer format that is mostly designed to be fun and light-hearted