Gunkan Suship Ikura

If you control "Gunkan Suship Shari", you can Special Summon this card (from your hand). You can only Special Summon "Gunkan Suship Ikura" once per turn this way. During your Main Phase: You can excavate the top 3 cards of your Deck, and if you do, you can add to your hand, or Special Summon, 1 excavated "Gunkan Suship Shari", also shuffle the rest back into the Deck. You can only use this effect of "Gunkan Suship Ikura" once per turn.