Your search for "Gillagillancer LVAL-EN003" revealed the following:
Gillagillancer - LVAL-EN003 - Common - 1st Edition from Legacy of the Valiant 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:If your opponent controls a monster and you control no monsters, you can Special Summon this card...
Gillagillancer - LVAL-EN003 - Common - Unlimited from Legacy of the Valiant Unlimited, available at 401 Games Canada. Rarity: Common Card Text:If your opponent controls a monster and you control no monsters, you can Special Summon this card (from your...