Your search for "GMX - ALLOS MAMO-EN080" revealed the following:
GMX - ALLOS - MAMO-EN080 - Ultra Rare - 1st Edition from Magnificent Monsters 1st Edition, available at 401 Games Canada. Rarity: Ultra Rare Card Text:1 "GMX" monster + 1 Dinosaur monsterEach time your opponent Normal or Special Summons a...