The low cost makes it an efficient way to put a stop to tons of strategies that rely on shenanigans to generate a ton of value
Likewise, Terra, Magical Adept won't find you regular creatures, since it only cares about enchantments
Since theres a subtheme of bouncing your creatures to create additional value, The Great Henge becomes even more ridiculous than it already is
Sure, your designers had no idea what Commander was when they made you, and you did have your time in the limelight in Standard, but it's just so difficult not to wonder what would have happened if you, like your opposing cousinopposing cousin, had ended up with the "each opponent" wording instead of "target player"
We're looking for split, hybrid, or gold cards, for this project
Creature type alone isn't always enough to tell you whether a creature has four legs or not