When Octo Opus enters the battlefield, createa 4/4 blue Octopus Performer token named Contortionist with “At the beginning of your upkeep, you may fold this token in half.” (It becomes 2/2, then 1/1, ½/½, and so on.)

Sacrifice Octo Opus: Draw a card and an additional card for each of Controtionist's folds.