Your search for "Labyrinth Heavy Tank MP24-EN257" revealed the following:
Labyrinth Heavy Tank - MP24-EN257 - Ultra Rare - 1st Edition
25th Anniversary Tin: Dueling Mirrors Mega Pack 1st Edition
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Labyrinth Heavy Tank - MP24-EN257 - Ultra Rare - 1st Edition from 25th Anniversary Tin: Dueling Mirrors Mega Pack 1st Edition, available at 401 Games Canada. Rarity: Ultra Rare Card Text:You can Normal Summon this card without Tributing. Cannot attack...