Power of the Guardians is a Super Rare Spell Card card from Yu-Gi-Oh! (2018 Mega-Tin Mega Pack, MP18). Current market price: $1.35.
Super Rare
2018 Mega-Tin Mega Pack (MP18)
Card Text
If an attack is declared involving the equipped monster: Place 1 Spell Counter on this card. The equipped monster gains 500 ATK/DEF for each Spell Counter on this card. If the equipped monster would be destroyed by battle or card effect, you can remove 1 Spell Counter from your field, instead.
