These cards all want creatures that can sit in the graveyard and as such they also very much want things that can put such cards into the graveyard
95% of the time, the triggered ability probably isnt worth a removal spell thats going to be better sent towards Rhystic Study or Smothering Tithe, but once enough cards have been exiled, the risk from rolling a 20 is going to weigh on your opponents
If your bounce spells are of the Rimekin Recluse varietythat is, attached to creaturesflicker and copy effects become great payoffs
You can increase their power with cards like Loxodon Warhammer, help to protect them with Swiftfoot Boots, and even gain some value with Mask of Memory
While I have obviously not played this strange un-format yet, I find the premise rather genius
Dubbed the 'Japanese Size', these require smaller sleeves to ensure your decks aren't flopping all over the place