Precursor Golem (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] BW93 you may draw a card

you may draw a card unless that player pays {4}

each player sacrifices a creature or planeswalker

I see where you're going with that

you can send this card from your hand to the Graveyard to select 1 face-up Effect Monster your opponent controls

You can only activate 1 "Spellbook of Power" per turn

Precursor Golem (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] BW93 you may draw a cardSet: The Brothers' War Retro Artifacts Type: Artifact Creature Golem Rarity: Rare Cost: {5} When Precursor Golem enters the battlefield, create two 3 3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems.