Riley Fronapfel

+1: Create a 1/1 Shapeshifter Creature token with Changeling. Then populate.
-3: Reveal the top 5 cards of your library and put all creature or all land cards revealed into your hand and the rest on the bottom of your library.
-10: You get an emblem with "Creatures you control get +1/+1 for each other creature you control and Regenerate them once per turn."