37-72 of 225 cards where the attack is equal to 3

Crawling Viperwyrm
Crescent Guardian
Crimson Curator
Dauntless Vanguard
Deadbloom Wanderer
Diana
Doombeast
Dragonguard Lieutenant
Dragonguard Lookout
Draven
Durand Protege
Duskrider
Earth Elemental
Earthshaker
Ember Maiden
Eminent Benefactor
Endless Devout
Esteemed Hierophant
Eternal Dancers
Fading Icon
Fae Guide
Fallen Rider
Fiora
Fizz
Fleet Admiral Shelly
Forge Worker
Frenzied Skitterer
Furyhorn Crasher
Fuzzy Caretaker
Ghostly Paramour
Gleaming Lantern
Gnar
Golden Ambassador
Greenglade Elder
Grizzled Ranger
Gwen