Qwilfish - 101/132 - Common from Diamond & Pearl: Secret Wonders, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Kenkichi Toyama
• Card Text:
  Poké-POWER — Balloon Sting
  Once during your opponent's turn, if Qwilfish is your Active Pokémon and is damaged by an attack (even if Qwilfish is Knocked Out), you may flip a coin. If heads, the Attacking Pokémon is now Poisoned. Put 2 damage counters instead of 1 on that Pokémon between turns.
  [WW] Nerve Shot (20)
  Flip a coin. If heads, the Defending Pokémon is now Paralyzed.