They could be used as discards to supplement "Super Rejuvenation", banished from the GY to summon the "Dragon Rulers", and possibly summoned with "Soul Charge" to make Rank 8s
Like any new mechanic, Pokemon ex are likely going to start off as mainly mid cards and get better with each new set release in that era
Cards like Sylvan Tutor or Relentless Rats
The maximum value of this card would be to discard it for the plainscycling ability early, which keeps you on-curve while you hope to reanimate it later
You have to do this as a sorcery Put the creature face down, and it obeys the morph rules 2/2, colorless If the creature is targeted, attacks, blocks, taps, or takes or assigns damage, flip it up
I want to drop 001 that can work even under skid