If you control an "X-Saber" Synchro Monster: You can target 2 "X-Saber" monsters in your Graveyard; Special Summon both targets, ignoring their Summoning conditions, but change their ATK to 0, also destroy them during the End Phase of this turn. You can only activate 1 "Gottoms' Second Call" per turn. You cannot conduct your Battle Phase the turn you activate this card.