A life total of -10 would remain -10
Well, thats about it folks
Pantlaza, Sun-Favored, Runic Armasaur, Curious Altisaur, Ripjaw Raptor, Earthshaker Dreadmaw, Etali, Primal Storm, Regal Behemoth, Return of the Wildspeaker, Rishkar's Expertise, Lifecrafter's Bestiary, Descendants' Path 11 card draw
Only time will tell, however, whether or not thats significantly higher or lower than it is now
She is a Rummaging Goblin, but she has haste so you can rummage with her immediately, and if you discard a card with madness (you don't even need to cast it) you get to untap her and rummage again which is uhhh *checks notes* INSANE
A deck with Hopper would have a lower curve of creatures that hit hard or have evasion, and whats especially nice about his ability is that if you overextend into a battlefield sweeper, the Clue tokens can be sacrificed to reload your hand