Kaya's Ghostform

Vampire tribal is second most popular mono black tribal. Eternal vampire have a multitude of different commanders available and different game plans, too. One vampire tribal can focus on full combat with lord effects, other focusing on life gain and life loss and third can focus on stealing other players creatures.

Casting from exile is often found from red, and sometimes carries over combinations like rakdos or even mono black. Some popular cast from exile ways are madness, adventures, cascade and impulsive draw.

Casting other players spells is mostly found in Grixis colors. Ways to steal spells tend to focus around exiling libraries and abusing opponents graveyards most of the time. Decks focusing on opponents spells is close to chaos decks and can cause some irritation in the play group.

Dragons, alongside Goblins, are reds primary creature types. Dragons are reds strongest creatures and most of the expansions have some kind of red dragon in them. As dragons are expensive to cast, dragon tribal decks run multiple cost reduction effects and have ways to cheat the expensive dragons on the battlefield.

Mono blue has multiple ways to clone own or opponents permanents. The gameplay changes effectively, when you get to play your opponents biggest threats, too and clone decks can lead to some very weird and interesting situations.