Okla. Stat. tit. 21, § 1066

Every person who sets up, promotes or engages in any plan by which goods or anything of value is sold to a person, firm or corporation for a consideration and upon the further consideration that the purchaser agrees to secure one or more persons to participate in the plan by respectively making a similar purchase or purchases and in turn agreeing to secure one or more persons likewise to join in said plan, each purchaser being given the right to secure money, credits, goods or something of value, depending upon the number of persons joining in the plan, shall be held to have set up and promoted a lottery, which shall be deemed a Class D3 felony offense, and shall be punished as provided in Section 1068 of this title.