Super Defense Robot Lio

When this card is Normal Summoned: You can Special Summon 1 "Super Defense Robot" monster or "Orbital 7" from your hand. Once per turn, when exactly 1 "Super Defense Robot" monster or "Orbital 7" (and no other cards) is added from your Graveyard to your hand (except during the Damage Step): You can Special Summon it from your hand.

Machine EARTH Effect Monster 4 effect