Kishido Spirit

Edison Card Text
Monsters on your side of the field can't be destroyed in a battle if the monsters' ATK are equal.
No targeting
No Damage Step effect
Banlist • Unlimited
Rulings
edisonformat.net
●If your monster in Defense Position is attacked by a monster with equal ATK to your monster's ATK, your Defense Position monster won't be destroyed even if its DEF was lower than the attacking monster's ATK.
●When Spear Dragon attacks a Defense Position monster with equal ATK to Spear Dragon, perform damage calculation normally even though the Defense Position monster is not destroyed.
edisonformat.com
If your monster in Defense Position is attacked by a monster with equal ATK to your monster's ATK, your Defense Position monster will not be destroyed even if its DEF was lower than the attacking monster's ATK.
When "Spear Dragon" attacks a Defense Position monster with equal ATK to "Spear Dragon", perform damage calculation normally even though the Defense Position monster is not destroyed.