We do not have the Near Mint average for the English print yet. Meanwhile this is the Cardmarket 30-day average, which mixes every language and condition (updated 07/11/2026).
Once during your turn (before your attack), you may flip a coin. If heads, look at the top card of your opponent's deck. Then, you may have your opponent shuffle his or her deck. This power can't be used if Dark Slowking is Asleep, Confused, or Paralyzed.
Attacks
PsychicPsychic
Mind Shock
30
Don't apply Weakness or Resistance for this attack.
Flavour text
Each time it yawns, the Shellder on its head releases an enzyme that makes it grow even smarter.