Man-o'-War (Mirage/Visions/Weatherlight) Undo and Man-o'-War were often seen together in packs, and players debated which was better: the sorcery which took out two creatures, or the 2/2 creature which took out one
Check out more information about this new gamemode here.

Abyssal Nightstalker Animus of Night's Reach Arthur, Marigold Knight Aryel, Knight of Windgrace Ashiok, Nightmare Muse Ashiok, Nightmare Weaver Attended Knight Azorius Knight-Arbiter Baba Lysaga, Night Witch Balan, Wandering Knight Benalish Knight Besotted Knight Besotted Knight Black Knight Blanket of Night Blood Knight Blood-Cursed Knight Bloodsworn Knight Braids, Arisen Nightmare Breathless Knight Brisela, Voice of Nightmares Brutal Nightstalker Bump in the Night Cadaverous Knight Call of the Nightwing Capashen Knight Cavalier of Night Cecil, Dark Knight Celes, Rune Knight Chainer, Nightmare Adept Charging Strifeknight Child of Night Chime of Night Chocobo Knights Chthonian Nightmare Coalition Skyknight Collective Nightmare Corpse Knight Craven Knight Crusading Knight Cunning Nightbonder Curse of the Nightly Hunt Dark Knight's Greatsword Deathless Knight Diamond Knight Dragonsoul Knight Dread of Night Elspeth's Nightmare Elspeth, Knight-Errant Ethercaste Knight Evernight Shade Every Dream a Nightmare Exclusive Nightclub Femeref Knight Fireborn Knight Foulmire Knight Foulmire Knight Galina's Knight Gallant Fowlknight Garland, Knight of Cornelia Ghouls' Night Out Gisela, Blade of Goldnight Goggles of Night Goldnight Castigator Goldnight Commander Goldnight Redeemer Gonti, Night Minister Grey Knight Paragon Grotag Night-Runner Gurmag Nightwatch Harbinger of Night Haunter of Nightveil

Donald's versatile abilities include lore generation, action card retrieval, and character protection
Alpharael, Stonechosen Im not really seeing it with this stat line at this cost, but people have pointed out how easy it is to take a player out with Alpharael, Stonechosen and a life loss doubler like Wound Reflection
Sleeves labeled standard size are meant for MTG and Pokmon, while Yu-Gi-Oh