Not Implemented: This card is not available to play on TCG ONE.

KAKUNA_33:POKEMOD_GB_BASE_SETStiffen
Flip a coin. If heads, prevent all damage done to Kakuna during your opponent's next turn. (Any other effects of attacks still happen.)
Poisonpowder
Flip a coin. If heads, the Defending Pokémon is now Poisoned.
weakness:x2
resistance: none
retreat cost:2