I also think that unless Ob Nixilis proves playable in Pioneer or Modern, you might want to trade off any ones you arent actively playing with sooner rather than later
You can see this at your local game store or from your favorite streamers
5 Hades, King of Olympus Foil 118 Mulan, Imperial Soldier Foil Promo Cards Checklist 1/P1 Mickey Mouse, Brave Little Tailor D23 D23 Preview Set 2/P1 Stitch, Rock Star 3/P1 Elsa, Snow Queen 4/P1 Cruella De Vil, Miserable As Usual 5/P1 Maleficent, Monstrous Dragon 6/P1 Robin Hood, Unrivaled Archer 7/P1 Captain Hook, Forceful Duelist 8/P1 Mickey Mouse, Detective Lorcana League 9/P1 Heihei, Boat Snack Pre-Release 10/P1 Yzma, Alchemist Pre-Release 11/P1 Mickey Mouse, Musketeer GenCon 12/P1 Goofy, Musketeer GamesCom Return to Disney Lorcana card list top
Activate "Mizuho's" effect to destroy itself, Tributing "Shinai" for cost
This card works well alongside and as a replacement for Ruby Medallion by providing you a refund on the spells you cast while you attempt to combo off