Your search for "Yamper - 030/080" revealed the following:
Yamper - 030/094 - Common from Mega Evolution: Phantasmal Flames, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ayako Ozaki Card Text:[LC] Play Rough (20+)Flip a coin. If heads, this attack does 20 more damage.
Yamper - 030/094 - Common - Reverse Holo from Mega Evolution: Phantasmal Flames, available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Ayako Ozaki Card Text:[LC] Play Rough (20+)Flip a coin. If heads, this attack does 20 more...
Yamper (Japanese) - 030/080 - Common from M2: Inferno X, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Ayako Ozaki Card Text:[Lightning][Colorless] Play Rough (20+)Flip a coin. If heads, this attack does 20 more damage.
Yamper (Japanese) - 086/80 - Art Rare from M2: Inferno X, available at 401 Games Canada. Rarity: Art Rare Finish: Holofoil Card Text:[Lightning][Colorless] Play Rough (20+)Flip a coin. If heads, this attack does 20 more damage.