The most expensive booster type, designed for collectors chasing premium versions of cards
With Vraska, the Silencer on your battlefield, you may pay whenever a nontoken creature an opponent controls dies to return that card to the battlefield tapped under your control
You can do something similar with a couple of undying creatures, or [card]Mikaeus, the Unhallowed[/card] plus whatever
Take That!: There's an Ace Trainer that you can fight in Chargestone Cave, who boasts about the fact that he's created the perfect team with the help of the Internet
If your opponent has 3 monsters on the field, you can special summon up to 3 additional monsters from your hand in face-down defense position on your field
Gauge the situation and consider which one to prioritize activating