Once a player reaches ten poison counters, they lose immediately, regardless of what their life total was
One set that recently came to my attention that is not identified on the identification chart for English cards (see below) is called "Alternate 4th Edition"
If you can give Anti-Venom flying, unless a creature is unblockable, no one will be getting through your defenses
Balefire Liege Bedlam Reveler Conduit of Storms Cryptborn Horror Dread Slag Frenzied Gorespawn Grief Tyrant It That Gets Left Hanging Kederekt Creeper Kraum, Ludevic's Opus Kraum, Ludevic's Opus Kraum, Violent Cacophony Mindwrack Liege Obosh, the Preypiercer Overlord of the Boilerbilges Pink Horror Possessed Barbarian Sadistic String-Puller Sauron, Lord of the Rings Sauron, the Dark Lord Sauron, the Lidless Eye Scourge Wolf Shambling Remains Skin Shedder Smoldering Werewolf Solphim, Mayhem Dominus Spawn of Rix Maadi Spider-Islanders Storm Skreelix Stromkirk Occultist Tsabo Tavoc Vildin-Pack Outcast Wandering Mind