Sharingan
Opens the Sharingan: dodges some blows by reading them, sees chakra through walls. Chakra upkeep while open.
Sharingan
The Uchiha's copy wheel eye: it reads movement before it happens, sees chakra, and casts genjutsu with a look.
Jutsu
Genjutsu: Sharingan
Meets the target's eyes and freezes their body with an illusion.
Learn after: Sharingan
Sharingan: Foresight
Reads every movement before it happens: for a few seconds, blows simply miss.
Learn after: Genjutsu: Sharingan
Sharingan: Copy & Store Jutsu
For 10 seconds your Sharingan reads whoever you're locked on to (it locks on to your target if you aren't): the first nature release jutsu they cast is copied. Cast it yourself with the Cast Copied Jutsu key (I), for twice its chakra.
Learn after: Genjutsu: Sharingan
Copy Wheel Eye: Mirror Jutsu
Reads the technique a rival just used and instantly mirrors it straight back at them. Nothing is kept: for a jutsu to keep and cast later, see Sharingan: Copy & Store Jutsu.
Learn after: Sharingan: Foresight
Izanagi
For a short while, a fatal blow is rewritten as an illusion and the user returns, whole. The eye goes dark.
Learn after: Copy Wheel Eye: Mirror Jutsu