Unsealed Spellbook, when taken mid lane, allows you to start the game with Ignite for a potential early kill with your jungler, but if the opportunity doesn't present itself you can swap to Teleport to get back to lane and provide pressure.
Stopwatch/Zhonya's is a key item on Twitsted Fate, allowing you to [R] onto an enemy champion and catch them with a Stun card, while still remaining safe.
Minion Dematerializer allows you to keep your lane pressure up with well-timed waveclear and an instant level 3 on the first Cannon minion wave.
Cosmic Insight is a great all-around rune choice for Twisted Fate, providing you more Summoner Cooldown for pressure and Item Cooldown with Zhonya's safety.
Movement Speed is a key component of Twisted Fate's kit, allowing you to kite effectively and get into range for a clutch [W] Gold card.
Scorch's early game damage puts pressure on the enemy team and provides you with early game kill potential.