Take a look: Adventure cards can go on their adventure to exile then enter the battlefield when you cast them from exile
WotC found that having creatures with this effect led to unfun play patterns in Limited, and generally werent played in Constructed
Gimli's Reckless Might There's not much holding Gimli's Reckless Might back aside from only going in a subset of red creature decksnamely, those with large creatures
::pukes:: Just kidding, no reboots here, but seriously though, I am going to talk some more about those three cards, but I'm not going to rehash the fact that other formats treat them differently (by banning or restricting them) than we do in pauper
It's often more fun if they don't
And it puts those cards back in their owners hands, too