This is likely because its big, tough, and can avoid a lot of damage from your opponent
Stoneforge Mystic Not only can Stoneforge Mystic tutor up a piece of equipment from your library right into your hand, but it is also strong in Modern Hammer Time decklists, making it quite useful outside of just Commander
That might be true, but if draws are quite balanced and all the bears trade in combat, the player that drew the extra card will lose a horrendous and, frankly, embarrassing death by decking themselves
It can tutor Skullclamp, and provides two targets for it
So, Go Lion was released in 1981 by Toei animation and became something of a benchmark for the giant / combining mecha genre
Each time you Explore, you gain life from Wildgrowth Walker