These three planeswalkers aren't particularly innovative, they just expand upon changes we'd already made: other versions of existing characters, narrower thematic focuses, etc
This Avacyn Restored mythic rare changed how Magic did mass pumps
Thats well worth the seven bones
Exquisite Archangel Final Fortune Forbidden Crypt Form of the Squirrel Gideon of the Trials Glorious End Herald of Eternal Dawn Immortal Coil Intervention Pact Last Chance Lich Lich's Duel Mastery (playtest) Lich's Mastery Lich's Mirror Lich's Tomb Liliana's Other Contract (double-faced)(playtest) Marina Vendrell's Grimoire Mine, Mine, Mine
Although, with the rate Wizards is pumping product out, it might not
Among the CGC-certified cards was an Alpha Limited Edition Ancestral Recall graded CGC Pristine 10 that sold for $38,500, making it one of the most expensive Magic cards ever sold