سيف-س س فاول ترول

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by controlling 2 or more face-up "X-Saber" monsters, and cannot be Special Summoned by other ways. Once per turn: You can target 1 Level 4 or lower "X-Saber" monster in your Graveyard; Special Summon that target.