Edison format ruling
Kaiser Glider

Card effect (current official text)Cannot be destroyed by battle with a monster that has the same ATK. If this card is destroyed and sent to the Graveyard: Target 1 monster on the field; return that target to the hand.
Rulings
- The same ATK as Kaiser Glider means the same as the current ATK, not the original ATK.
- When Kaiser Glider is in Attack Position and battles a monster with the same ATK, only the other monster is destroyed.
- Kaiser Glider's second effect activates when destroyed and sent to the GY from the field, hand, or Deck.
- If Kaiser Glider is equipped to Relinquished or Thousand-Eyes Restrict, and is destroyed and sent to the GY, Kaiser Glider's effect activates.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.