If this card is Summoned: Special Summon 1 “Apex Beast” from your Extra Deck, then equip this card to it. While equipped to an “Apex Beast” monster: ● It gains 300 ATK and 300 DEF. ● Once per turn (Quickeffect): Prevent that monster from being targeted by Spell/Trap effects for the rest of this turn. You can only use this effect of “Apex Tamer – Sorin” once per turn.