Ruby set is best for MT and OT for turns 10-12. 13 I'm going full VIT but our WAR OT is still using Ruby.

Nothing really hits that hard in T10-12 that you wont have a big CD for. WAR always had IB ready which is generally enough and if not 3 other CDs. Until T13 the biggest hit I take is phase 2 Rip so I just stack CDs. (Rip+Auto at the same time) IB is enough for Head and Revelation.