Herald's Horn can be cast very early on in the game, letting you get ahead of your mana curve to get your Rats onto the battlefield as quickly as possible
In the early game, you can apply pressure by attacking with multiple creatures and tokens and keep them protected from your opponents spells
A "streamlined" version of Pokmon TCG and its rules will also allow players to utilise their cards in battle
Coastal Piracy is more or less that ability, so I really feel it's ok like that
7 Beast: Relentless 210/204, Emerald Beast: Relentless is a true beast on the battlefield, with the ability to ready every time an opposing character is damaged
Its hard to see losing black in a knights deck, but this Azorius commander is a bit like Lagrella, the Magpie