Sargasso the D.D. Battlefield is a Common Spell Card card from Yu-Gi-Oh! (Judgment of the Light, JOTL). Current market price: $0.14.
Common
Judgment of the Light (JOTL)
Card Text
Each time a monster is Xyz Summoned: The Summoning player takes 500 damage. During each player's End Phase, the turn player takes 500 damage if they control a face-up Xyz Monster.
