Mystic Swordsman LV4 is a Common Effect Monster card from Yu-Gi-Oh! (Structure Deck: Warrior's Triumph, SD5). Current market price: $0.30.
Common
Structure Deck: Warrior's Triumph (SD5)
Card Text
Cannot be Normal Summoned (but can be Normal Set). At the start of the Damage Step, if this card attacked a face-down Defense Position monster: Destroy that monster. During the End Phase, if this card destroyed a monster by battle this turn: You can send this face-up card to the Graveyard; Special Summon 1 "Mystic Swordsman LV6" from your hand or Deck.
