Your search for "Light-Imprisoning Mirror AP07-EN025" revealed the following:
Light-Imprisoning Mirror - AP07-EN025 - Common - Unlimited from Astral Pack 7, available at 401 Games Canada. Rarity: Common Card Text:Negate all LIGHT monster effects activated on the field or in the Graveyard.
Light-Imprisoning Mirror - MAMA-EN096 - Ultra Rare - 1st Edition from Magnificent Mavens 1st Edition, available at 401 Games Canada. Rarity: Ultra Rare Card Text:Negate all LIGHT monster effects activated on the field or in the Graveyard.
Light-Imprisoning Mirror - GLAS-EN069 - Common - Unlimited from Gladiator's Assault Unlimited, available at 401 Games Canada. Rarity: Common Card Text:When the effect of a LIGHT monster activates on the field or in the Graveyard, negate it.