Infinitrack River Stormer

[ Machine / Xyz / Effect ] 2 Level 5 monsters When this card destroys an opponent's monster by battle: You can attach that monster to this card. You can only use each of the following effects of "Infinitrack River Stormer" once per turn. You can detach 1 material from this card; take 1 EARTH Machine monster from your Deck, and either add it to your hand or send it to the GY. If this card is in your GY: You can Tribute 1 Machine Link Monster; Special Summon this card in Defense Position. ATK/ 2500 DEF/ 500