Leider ist der Blue-Eyes Support auch schlecht (Fett markierte Teil des Effekts brauchte man selbst bei erscheinen der Karte nicht):
Burst Stream of Destruction
Normal Spell Card
If you control a "Blue-Eyes White Dragon": Destroy all monsters your opponent controls. "Blue-Eyes White Dragons" cannot attack the turn you activate this card.
Paladin of White Dragon
LIGHT/Dragon - Ritual - Effect/4/1900/1200
You can Ritual Summon this card with "White Dragon Ritual". At the start of the Damage Step, if this card attacks a face-down Defense Position monster: Destroy that face-down monster. You can Tribute this card; Special Summon 1 "Blue-Eyes White Dragon" from your hand or Deck, but "Blue-Eyes White Dragons" cannot attack for the rest of this turn.