Its only for sideboard but its very good to have some
Ayula, Queen Among Bears The very best of the Bears, Ayula, is the Queen for a reason
Clavileo also gives them a second ability that if that creature dies, you get a 4/3 token with flying and you draw a card
Leonardo da Vinci Some of you read this Leonardo da Vinci card and immediately thought of some Omen Hawker and Training Grounds, and Agatha's Soul Cauldron nonsense
Some clones might add a creature type, like Mirrorhall Mimic becoming a spirit in addition to its other types, but clones copy everything on the printed card
Especially compared to the best deck in this space, Lae'zel, Vlaakith's Champion plus Noble Heritage, which is much more powerful but much slower