It's just a little 2/1 (with situational haste) and it can't even block
Normally, opting to discard the two Fire Energy would mean you couldnt repeat this turn after turn, but giving the player an option to instead discard one React Energy caused very few Pokmon to remain safe after being hit with Bench damage from previous Overruns
Currently, Damnations the most expensive of the bunch, with Noxious Revival and Expropriate close behind, and speaking of Expropriate, this is the first true (read: non The List) reprint since it first appeared in Conspiracy: Take the Crown
This card effect is so outlandish that it's even historically proven to be problematic with Yu-Gi-Oh simulators as they would have a hard time properly resolving the effect
Activate Gamma Eltanin in the GY, tributing the now 1000 ATK, materialess Mu Beta to Summon itself and another Drytron from the Grave