Geth's Grimoire [Darksteel] 90 you can activate it this

you can activate it this turn

and this card will be treated as an Equip Spell Card that decreases the ATK of the equipped monster by 500 points

Set: HeartGold & SoulSilver: Base Set Type: Trainer Rarity: Promo

• 1x Nonfoil Ikoria Commander Card (From Ikoria: Lair of Behemoths commander decks

Set: Base Set 2 Type: Psychic Rarity: Rare Retreat cost: Colorless

Geth's Grimoire [Darksteel] 90 you can activate it thisSet: Darksteel Type: Artifact Rarity: Uncommon Cost: {4} Whenever an opponent discards a card, you may draw a card. The book shrieks horribly until its cover is opened, granting the spirit inside a moment's rest from the painful stirrings of the book's contents.