You might still be able to eke out a win every now and then, but I think this deck probably belongs at mid-to-high power tables, not high-to-cEDH
That's $60.72 off this sealed 30-pack display box before the June 26 release date
Electrodominance Effects that let you play a card without paying its mana cost have a high potential to be broken, and there are a bunch of cards with suspend that can be exploited this way
(From WOTC) Planechase, also known as Planar Magic, is an official game variant first populated by Planechase (2009) and basically acts as an augmentation to other formats though players can also play decks specifically geared towards this format
Not to mention the numerous ways to go infinite with this commander using cards such as Curiosity or Tandem Lookout
If you do, add an amount of R equal to the sacrificed creatures power