Forum:Questions!!!

a.In the card Ryu Kokki it says when this card battles a warrior or a spellcaster type monster destroy it without damage calculation. What does it mean if it attacks or if it is attacked? b.Can Remote Revenge negate the effect of Lightning Vortex and switch it to a face-down monster instead? c.Can Trap Jammer or Solemn Judgement negate the activation of Royal Decree? d.Can Cyber Stein special summon any fusion monsters ignoring summoning conditions?