This is not a self destruct attack. This is a hit and run card. Put up a galarian cursola, miltank, wailord v (for tank), arceus vstar (for tank), snorlax from pokemon go etc.
Overall, I think this might be the greatest power/damage per energy/and workable stage 2 (non gx) sence greninja. If we dismiss safeguard mons and intel.
Should see some play. The question is what to do after u have used 4 shiftry. Quick shootings and belt might be able to give u 2 prizes per shiftry. But they can put up 1 prizers and then u might not have resources for enough KOs.
I think radiant charizard could be a great finisher. This can be your 2-3 first attacks and then finnish of with zard.
No matter what, inteleon is the engine.
4/5 is my grade.
Might be a bit inconsistent, but with intel u should be fast enough. 210 before damage modifyers are great. Whatever you want to pivot into, you can use it in the early game as well if you want to slow the game down. Great dmg output.