Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
1.in the base or when out mana spam rewind too get clarity back.(afther you got time warp cast it then rewind when your at base would save you precious time)
2.if your in a twisted take time warp earlier(like at lvl 4).
3.when your vs an other zilean use your time bom too nullif the effect of is time boom(when he cast a time bom on an unit cast yours on the same unit so the enemy bom will not explod.
4.cast one time bom on an enemy then rewind and cast an othre so the first one would explod.