one piece card game box OP-10 Royal Blood Booster The Theme for the Coming 3rd Anniversary is the Three Brothers ONE PIECE Card Game Booster

Well, Reflections of Littjara is a five mana Blue Enchantment that makes you choose a Creature type when it enters the battlefield

WotC apparently agrees given its existence on many B&R lists

Monstrosity of the Lake can be a great way to pave your way for a final attack thatll take down all of your opponents

Prison commanders accomplish this either by increasing your opponent's spell casting cost or taxing them for playing some sort of ability or interacting in certain ways

Swarm of Rats takes that to the next obvious step by gaining power equal to the number of rats you control, which makes it a nice threat on a good board state

it's also a very popular commander, and an excellent wheel commander in particular