The seed gives you a perkeo in the first smallblind shop and a invisible joker in the first big blind shop (if you buy the buffon pack in the first shop) and you can get a blue print around round 16. You can get canvendish later and you can also get a bloodstone if you wanna do a flush deck. there is also a arrowhead but i forgot where you get it i know its early game though, you also get a Oops for the bloodstone early