Geargiano Mk-III (SDGR-EN001) [Structure Deck: Geargia Rampage]

When this card is Special Summoned by the effect of a "Geargia" card: You can Special Summon 1 "Geargia" monster from your hand or Graveyard in Defense Position, except "Geargiano Mk-III", but its effects are negated. You can only use this effect of "Geargiano Mk-III" once per turn. You cannot Special Summon monsters the turn you activate this effect, except "Geargia" monsters.