Adamancipator Researcher

If you control a Rock monster, except "Adamancipator Researcher": You can Special Summon this card from your hand. During your Main Phase: You can excavate the top 5 cards of your Deck, and if you do, you can Special Summon 1 excavated Level 4 or lower non-Tuner Rock monster, also place the rest on the bottom of your Deck in any order. You can only use each effect of "Adamancipator Researcher" once per turn.