Your search for "Overlay Sentinel LVAL-EN005" revealed the following:
Overlay Sentinel - LVAL-EN005 - Common - 1st Edition from Legacy of the Valiant 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Cannot be Special Summoned. When this card is Normal Summoned: Change this card to Defense Position....
Overlay Sentinel - LVAL-EN005 - Common - Unlimited from Legacy of the Valiant Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Cannot be Special Summoned. When this card is Normal Summoned: Change this card to Defense Position. If you...