First of all, a Level 4 Cydra is by default a pretty powerful card because of the Rank 4 shenanigans it can cause, like how Assault Halberd or Kagetokage doesn't necessarily suck
After defeating Elsworth, they continue to duel Sherry LeBlanc
Surge to victory in a single turn with overwhelming offensive force
For example, an attack that previously said, "Tepig does 10 damage to itself" now reads "This Pokemon does 10 damage to itself." Removal of damage counters is now referred to with the "Heal" keyword - you should take 1 damage counter off of the affected Pokemon for each damage healed
If your opponent isn't playing black, this can often clear his or her board, removing resources/threats and allowing you, and/or other opponents, to attacks freely
And since nobody with any level of knowledge could possibly think theyre real, then what are we mad at