Edison format ruling
Heart of Clear Water
Card effect (current official text)If the equipped monster's ATK is 1300 or higher, this card is destroyed. The monster equipped with this card is not destroyed as a result of battle or by the effect of a card that targets the monster. (Damage calculation is applied normally.)
Rulings
- You may equip this card to a monster with ATK 1300 or greater, but it will be immediately destroyed.
- If a monster equipped with this card has its ATK increased over 1299, by the effect of Rush Recklessly, etc., this card is destroyed.
- If your Relinquished or Thousand-Eyes Restrict is equipped with Heart of Clear Water and you its effect to equip it with a Monster Card whose ATK is 1300 or higher, Heart of Clear Water is destroyed.
- Your monster equipped with Heart of Clear Water is not destroyed in battle, but you still take any Battle Damage that would be inflicted to your Life Points by the attack.
- If you Special Summon a monster with Premature Burial or Call of the Haunted and then equip that monster with Heart of Clear Water, the monster will not be destroyed if Premature Burial or Call of the Haunted is destroyed.
- A monster equipped with this card can still be destroyed by effects that do not target, such as the effects of Fissure, Dark Hole, Smashing Ground, or Torrential Tribute.
- A monster equipped with this card cannot be destroyed by a card that targets, but it may still be declared a target. So the opponent may activate Nightmare Wheel or Snatch Steal targeting your monster equipped with Heart of Clear Water.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.