Your search for "Crystal Promise LCGX-EN167" revealed the following:
Crystal Promise - LCGX-EN167 - Rare - 1st Edition
Legendary Collection 2: The Duel Academy Years Mega Pack 1st Edition
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$1.20
Crystal Promise - LCGX-EN167 - Rare - 1st Edition from Legendary Collection 2: The Duel Academy Years Mega Pack 1st Edition, available at 401 Games Canada. Rarity: Rare
Crystal Promise - LCGX-EN167 - Rare - Unlimited
Legendary Collection 2: The Duel Academy Years Mega Pack Unlimited
From
$1.20
Crystal Promise - LCGX-EN167 - Rare - Unlimited from Legendary Collection 2: The Duel Academy Years Mega Pack Unlimited, available at 401 Games Canada. Rarity: Rare