Raiding Schemes is a rare Enchantment card from Lorwyn Eclipsed Promos (PECL), collector number 239p. Current market price: $0.46 (foil $2.13), TCGplayer market prices via Scryfall.
Each noncreature spell you cast has conspire. (As you cast a noncreature spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose new targets for the copy. A copy of a permanent spell becomes a token.)