Saddled Rimestag is easy to make crash in as a 4/4 every turn. Longtusk Cub trades with a random utility bear and makes your aggro drafter sad.
Look at the "Damage to players" curve for these two:
Saddled Rimestag-> 4, 8, 12, 16, 20
Longtusk Cub-> 2, 5, 9, 14, 20
Both take the same amount...