7 Ob Nixilis, the Fallen Next up is our only Back card on this list
Outlaws of Thunder Junction brings Magic: The Gathering to the Wild West
Just be mindful of triggered abilities, as they are still fair game while Katabatic Winds is in play
Absolute Virtue Choco, Seeker of Paradise Cid, Timeless Artificer Edgar, King of Figaro Emet-Selch, Unsundered Gogo, Master of Mimicry Golbez, Crystal Collector Hades, Sorcerer of Eld Hope Estheim Ignis Scientia Jill, Shiva's Dominant Kefka, Court Mage Kefka, Ruler of Ruin Locke Cole Matoya, Archon Elder Noctis, Prince of Lucis Omega, Heartless Evolution Quistis Trepe Sephiroth, Planet's Heir Shantotto, Tactician Magician Shiva, Warden of Ice Sin, Spira's Punishment Tellah, Great Sage The Emperor of Palamecia The Lord Master of Hell The Lunar Whale The Prima Vista The Wandering Minstrel The Water Crystal Tidus, Blitzball Star Ultimecia, Omnipotent Ultimecia, Temporal Threat Ultimecia, Time Sorceress Ultros, Obnoxious Octopus Vivi Ornitier Xande, Dark Mage Y'shtola Rhul
The biggest exception that comes to mind is if you control a Wurmcoil (RG Tron), but the damage from that can be mitigated
