Card Rulings:Stardusk Dragon


 * Removing a monster from play is a cost to activate "Stardusk Dragon's" effect.


 * "Stardusk Dragon's" effect can be activated during the Damage Step.


 * "Stardusk Dragon's" effects do not target.


 * "Stardusk Dragon's" effect can be chained to the effect of a Continuous Spell or Trap Card.


 * "Stardusk Dragon's" effect cannot be chained to an effect that may or may not destroy card(s) on the field.


 * "Stardusk Dragon's" effect can be chained to "Crush Card Virus" only if there are face-up monster(s) that would be destroyed by "Crush Card Virus's" effect.


 * If "Royal Oppression's" effect is activated to negate the Special Summon of a monster, "Stardusk Dragon's" effect cannot be chained because the monster being Special Summoned is not considered to be "on the field" until its Summon is successful.