Your search for "Megalith Promotion IGAS-EN071" revealed the following:
Megalith Promotion - IGAS-EN071 - Rare - 1st Edition from Ignition Assault 1st Edition, available at 401 Games Canada. Rarity: Rare Card Text:You can target 1 Level 4 or lower monster you control; its Level becomes double its original Level...
Megalith Ophiel - IGAS-EN035 - Super Rare - 1st Edition from Ignition Assault 1st Edition, available at 401 Games Canada. Rarity: Super Rare Card Text:You can Ritual Summon this card with a "Megalith" card. If this card is Ritual Summoned:...
Megalith Hagith - IGAS-EN036 - Common - Unlimited from Ignition Assault Unlimited, available at 401 Games Canada. Rarity: Common Card Text:You can Ritual Summon this card with a "Megalith" card. If this card is Ritual Summoned: You can add 1...
Megalith Promotion - IGAS-EN071 - Rare - Unlimited from Ignition Assault Unlimited, available at 401 Games Canada. Rarity: Rare Card Text:You can target 1 Level 4 or lower monster you control; its Level becomes double its original Level until the...