You can only use this card name’s 1st effect once per turn.
(1) During your Main Phase: You can excavate the top 3 cards of your Deck, and if you do, you can add 1 excavated Machine monster whose ATK equals its own DEF to your hand, also banish the rest face-down.
(2) Each time a Machine monster(s) whose ATK equals its own DEF is Normal or Special Summoned, place 1 counter on this card.
(3) Monsters on the field whose ATK does not equal its own DEF cannot activate their effects while this card has 10 or more counters.