Herald's Horn

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.

Artifact decks aim to interact and gain advantage with own artifacts by copying them, turning them into creatures and simply create new artifacts as tokens. Artifact decks are very popular and they have multiple infinite loops.

Pirate tribals are creature heavy decks focusing on controlling and preventing opponents from winning with resource efficient interactions. Pirate decks are less combat focused than many other tribal decks.

Treasures are artifact tokens similar to Gold tokens. Treasures have an activated ability to create one mana of any color, by tapping and saccing the token. Treasures are available in every color but focusing on red and green.