Ragnarok, the Clock/Tips


 * Do not put this card into your Mana Zone because your opponent will use it to skip your turn using Father Earth.
 * Great Reversal of Reality and Death will enable you to skip your opponent's turn if this card is in his graveyard.
 * Do not use this card with Intense World! Shachihoko Kaiser becuase you will be forced to Reanimate this creature and give your opponent an Extra Turn.