Tragedy of Two Life Threads

Equip Spell

Equip only to a monster you control that was Special Summoned from the Extra Deck.

[1] If your opponent Special Summons a monster(s) from the Extra Deck with more ATK than the equipped monster: You can target 1 of them; Destroy both the target and the equipped monster, and if you do, take damage equal the total original ATK of the destroyed monsters, then inflict damage to your opponent, equal to the damage you took.