Requirements:
"Sharingan Eye"
Target:
(1) 1 of your opponent's Jutsu cards being used
(2) User
Effect:
Pay the Jutsu cost of target (1). In that case, apply the effect of target (1) making target (2) as a user of target (1). However, "requirements" and/or "target" of target (1), if it has any, have to be applicable.
"Wha... what! I was just about to create a vortex, but HE created one first!"