C'est l'effet du paladin qui empêche le dragon blanc d'attaquer, tes autres monstres peuvent eux, ce serait trop facile, tu élimine auto le monstre face down et ensuite tu ramène un autre attaquant avec 3000 :
This monster can only be Ritual Summoned with the Ritual Spell Card, "White Dragon Ritual." You must also Tribute monsters whose total Levels equal 4 or more from the field or your hand. When this monster attacks a face-down Defense Position monster, destroy the face-down monster with this card's effect. You can Tribute this card to Special Summon 1 "Blue-Eyes White Dragon" from your hand or your Deck. ("Blue-Eyes White Dragon" cannot attack during that turn.)
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