Shark Normal Summons "[[Drill Barnacle]]" (300/0). He then activates "[[Xyz Jeweled Crown]]", equipping it to "Black Ray Lancer", letting him treat it as a Level 3 monster and allowing it to be treated as two Overlay Units for an Xyz Summon. Shark overlays "Black Ray Lancer" with "Drill Barnacle". The latter card is also treated as two Overlay Units via the effect of "Fire Ice World". Shark Xyz Summons "[[Shark Kaizer]]" (1800/2000) in Attack Position. Shark activates the effect of "Shark Kaiser", detaching an Overlay Unit to increase its ATK by the original number of Overlay Units required to Xyz Summon it minus the current number of Overlay Units [[attach]]ed to it x 1000. (1800 → 4800). "Shark Kaiser" attacks and destroys "Rioto Harpyia" (Rio 2300 → 0).

* [[Xyz Jeweled Crown]]