Your search for "Yamask 45/101" revealed the following:
Yamask - 45/101 - Common from Black & White: Noble Victories, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Shin Nagasawa Card Text:[1] Ambush (10+) Flip a coin. If heads, this attack does 10 more damage.
Yamask - 45/101 - Common - Reverse Holo from Black & White: Noble Victories, available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Shin Nagasawa Card Text:[1] Ambush (10+) Flip a coin. If heads, this attack does 10...
Yamask - 44/101 - Common - Reverse Holo from Black & White: Noble Victories, available at 401 Games Canada. Rarity: Common Finish: Reverse Holo Artist: Midori Harada Card Text:[P] Perplex (10) Flip a coin. If heads, the Defending Pokemon is...