These could be straight draw cards, like Friends On The Other Side or Maleficent, Sorceress
Given that rule, the legality for each event would be as follows: Sets 1 3 Legal May 25th 26th Atlanta, Georgia May 25th 26th Lille, France Sets 1 4 Legal Ursulas Return retail release May 31st June 8th 9th Chicago, Illinois July 6th -7th Bochum, Germany July 20th 21st Fort Worth, Texas August 3rd 4th Bologna, Italy August 24th 25th Toronto, Ontario Sets 1 5 Legal Set 5 retail release August 23rd September 21st 22nd Las Vegas, Nevada September 21st 22nd Birmingham, UK October 26th 27th Seattle, Washington Why Isnt Ursulas Return Legal Straight Away
This can give you an extra turn if your opponent could clinch the game with a dastardly Lucky Dime or help you get ahead of your opponent by not allowing them to use Fishbone Quill
Next up, Nala
That makes us think its some sort of mammal like a chipmunk (Chip n Dale?), hamster (Rhino?), or a squirrel (Bucky?)
If you can stick Tavern Brawler and your commander youre gonna get some quite sizable damage boosts, which makes Tavern Brawler a pretty fun card