AttackPerplex
Flip a coin. If heads, the Defending Pokémon is now Confused.

Yamask is Pokédex #562, generation 5 (Unova). Yamask is a Basic Psychic Pokémon with 60 HP. The card lists Cofagrigus, Cofagrigus (#563) under evolves to.
Yamask sits at 44/101 in Noble Victories, position 44 of 102. Before it is 43 Victini, and after it is 45 Yamask. The set belongs to the Black & White series. It was released on November 16, 2011. The printed size is 101. This checklist is longer, at 102 cards. The listed rarity is Common.
The attack Perplex lists 10 damage. The cost is Psychic. Flip a coin. If heads, the Defending Pokémon is now Confused. Weakness is Darkness ×2. Retreat cost is 1. The flavor text reads "Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry."
Yamask (#562) has 13 other cards in the catalog. Those other cards are in 11 sets. The other printings with a release date run from 2011 to 2025. The earliest other card is Yamask 45/101 in Noble Victories (2011). Both list 60 HP. Both list the rarity Common. Shin Nagasawa illustrated that card, and Midori Harada illustrated this one. 9 other cards of Yamask list a different HP.
The illustrator line reads Midori Harada. I count 352 other cards in the catalog with that illustrator.
Noble Victories set binder is where a full Noble Victories set goes. This card fills one slot there. A generation binder holds one card of each species. Yamask can fill a slot in Generation 5 binder (Unova). I still need this card.
Flip a coin. If heads, the Defending Pokémon is now Confused.
Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry.
Noble Victories, in the Black & White series. It was released on November 16, 2011. The printed size is 101.
44/101. It is entry 44 of 102 in this checklist.
Midori Harada. The catalog lists 352 other cards with that illustrator.
Common.
Yamask #562, generation 5 (Unova).
Perplex (10).