You can only use the 1st effect of this card’s name once per turn.
(1) If this card is Normal or Special Summoned: You can Special Summon 1 Level 5 or lower “Earthbound” monster from your Deck or GY, except “Earthbound Prisoner Ground Keeper” or “Earthbound Spirit”, also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Fusion and Synchro Monsters.
(2) “Earthbound” monsters you control cannot be destroyed by battle or card effects while there is a card in the Field Zone, except “Earthbound Spirit”.