Stormchaser's Talent is one such Class: If it exits and then returns to play, you'll get a second 1/1 blue Otter token, and if it gained a level before being exiled it will be reset, and you'll be able to use the second ability to fetch an instant or sorcery from your graveyard a second time
If using the transforming double-faced card mechanic was a way to get even more artwork, I commend the designers as a genius way to sneak even more in
You get incredible card advantage from this 2-drop, provided you play a few cards like Bottomless Pit and Oppression to force your opponents to discard on their turns
Other effects that apply to the permanent can still grant it any characteristics it doesn't have or change the characteristics it does have
Look at the art in Mickey Mouse, Wayward Sorcerer
(All of this says nothing of the options for Commander, which is a whole other game of Triple Triad.)