[E] Rendezvous can be used to aggressively peak. Simply place both anchors down and teleport after taking the first shot of your peak.
[E] Rendezvous is great for quickly rotating. This can be used on defense to rotate which site is being hit, or on attack to lurk or fake pressure before joining your team.
[Q] Headhunter and [X] Tour De Force can both be used to support your team's economy, especially when you need to force buy.