Okla. Stat. tit. 21, § 21-1066: Selling plan as lottery

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.