Card Tips:Ring of Defense


 * This is a great card to protect yourself from dangerous, annoying cards like "Magic Cylinder", "Nightmare Wheel" and others your opponent may control.

Etc.
 * Beneficial card effects that do damage to their controller, and which will instead protect the controller when this card is on the field, include:
 * "Graverobber"
 * "Destructive Draw"
 * "Double-Edged Sword Technique"
 * "Ring of Destruction"