Fell the Mighty (50k, Surge foil 50) Faithless Looting (364k, Mystical Archive foil $14) Goldspan Dragon (130k, FEA $40) Reality Shift (200k, Borderless foil $1) Monster Manual (51k, Prerelease foil $8) Ponder (285k, SL Showdown foil $120) Acererak the Archlich (17k, 900 as Commander, $48 Ampersand foil) The big draw here is the Goldspan Dragon, who sees play in any number of Treasure decks
Then, you are left with an Equipment that can be used to turn any small Creature you control into a massive threat
This is a great incentive to play aggressively since you dont need to worry as much about having your characters banished after a scuffle
These offer a lot more for completion than battling online, in fact, and once you tick them all off you can still repeat the battles infinitely for fun
It wasn't actually viable in Standard at the time, and didn't actually make it into any "tier list" consistently, but it is overall strong in Expanded
Plus Minnie only heals for 2 and does it on quest instead of on play