Archipelagore Auspicious Starrix Boneyard Lurker Brokkos, Apex of Forever Brokkos, Apex of Forever Cavern Whisperer Chittering Harvester Cloudpiercer Cubwarden Dirge Bat Dreamtail Heron Everquill Phoenix Everquill Phoenix Gemrazer Gemrazer Glowstone Recluse Huntmaster Liger Huntmaster Liger Illuna, Apex of Wishes Illuna, Apex of Wishes Insatiable Hemophage Lore Drakkis Majestic Auricorn Migratory Greathorn Mindleecher Necropanther Nethroi, Apex of Death Nethroi, Apex of Death Otrimi, the Ever-Playful Parcelbeast Pollywog Symbiote Pollywog Symbiote Porcuparrot Pouncing Shoreshark Regal Leosaur Sawtusk Demolisher Sea-Dasher Octopus Snapdax, Apex of the Hunt Snapdax, Apex of the Hunt Souvenir Snatcher Surgeon General Commander Trumpeting Gnarr Vadrok, Apex of Thunder Vadrok, Apex of Thunder Vulpikeet
Breaking the entire game, more like
Once you hit three or more poison counters on a player, you start stealing their cards, which is such a wildly good payoff for just three poison counters
Not bad for pieces of cardboard
Wizards of the Coast hasn't given an official reason for why they are doing this, but it's a fairly easy guess: licensing (that they failed to acquire)
It's our way of giving back to the community that's given us so many epic games.