Dokidoki
You can discard 1 Rock-Type monster; Special Summon 1 Rock-Type monster from your Deck with the same original Attribute and Level in Attack Position or face-down Defense Position. You can only use this effect of "Dokidoki" once per turn.
This shet is OP as Hell to Set-up Rocks, also being Level 2 is finally a valid target to search for Block Dragon in a Level 3 Rock-Type Deck like Magnetic (to sum .