And once again, its because it has become too popular for its own good
Serperiors Ability, Royal Heal, lets you heal each of your Pokmon for 10 damage at any time between turns, similar to Nidoqueen RR
On the other hand, the second effect acts as backup by punishing the opponent for destroying it, or you can destroy it yourself (e.g
The text box usually contains an ability that causes the permanent to "flip" if certain conditions are met
It's also got a Delirium trigger that gives your other attacking creatures +4/+4, meaning it'll further surprise your opponents when your generally timid critters turn into terrifying monsters
It didnt look that impressive and my publisher-brain was having apoplexy imagining the incredibly expensive costs to print such a card