Hydralander Orbit

If you have 4 or more monsters in your GY and no monsters in your GY with the same name: You can Tribute this card; excavate the top cards of your Deck, equal to the number of monsters in your GY (or as many as possible), and if you do, if 2 or more monsters were excavated and all excavated monsters had different names, add 1 of those monsters to your hand, also place the remaining cards on top of your Deck in any order. You can banish this card from your GY, then target 1 monster in your GY; place it on the bottom of the Deck. You can only use each effect of "Hydralander Orbit" once per turn.