When Arterial Alchemy enters the battlefield, create a Blood token for each opponent you have. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip {2}.
![Arterial Alchemy (Extended Art) [Innistrad: Crimson Vow Commander]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/5722f15b-f33a-50d3-8ebd-8361504b6170_e0abfa24-cf54-4afb-9a2e-bf6c86d94ed0.jpg?v=1698558303&width=1445)