And if you're building your deck to be technically in bounds by the card guidelines but substantially stronger than what other people are doing at that bracket so you can stomp them, then you are being a bad actor
Earn 1 free BoM point
Advanced Search Sets Random Syntax Atogatog Begin the Invasion Call the Spirit Dragons Child of Alara Chromanticore Coalition Victory Conflux Cosmic Spider-Man Cromat Fusion Elemental Garth One-Eye Genju of the Realm Heroes in a Half Shell Horde of Notions Infinite Guideline Station Invasion of Alara Iridian Maelstrom Jared Carthalion Jodah, the Unifier Jodah, the Unifier Karona, False God Last Stand Leyline of the Guildpact Maelstrom Archangel Maelstrom Nexus Marina Vendrell Mass of Mysteries Meeting of the Five Niv-Mizzet Reborn Niv-Mizzet, Guildpact Niv-Mizzet, Supreme O-Kagachi, Vengeful Kami Omnath, Locus of All Primeval Spawn Progenitus Reaper King Rukarumel, Biologist Sanctum of All Scion of the Ur-Dragon Scions of the Ur-Spider Sliver Gravemother Sliver Hivelord Sliver Legion Sliver Overlord Sliver Queen The First Sliver The Kami War The Prismatic Bridge The Ur-Dragon Tiamat Tom Bombadil Two-Headed Hellkite Unite the Coalition Urza, Academy Headmaster
And thats all folks
If a source would deal damage to you or a permanent you control, prevent half that damage, rounded up
A rare example of when this is better than Thraben Inspector