Endless Engine Argyro System - DIFO-EN054 - Ultra Rare - 1st Edition Tweet Out of stock. $0.33 Wishlist Details Set: Dimension Force Card Number: DIFO-EN054 Attribute: SPELL Rarity: Ultra Rare Card Type: Normal Spell Name: Endless Engine Argyro System Edition: 1st Card Text: Send 1 "Therion" card from your Deck to the GY. If this card is in your GY: You can target 1 "Therion" card in your GY; if both are still in your GY, add either that card or this card to your hand, and if you do, place the other on the bottom of your Deck. You can only use 1 "Endless Engine Argyro System" effect per turn, and only once that turn.