What competitive formats is Berserk played in
Theyre not ridiculous on their own, but the issue is the bit of text that comes before all of that
Imperial Recruiter, featuring Rathalos Armor with Red Tigrex Claws, Brachydios Armor with Burning Knocker, Gore Malaga Armor and Royal Rose from Monster Hunter 4G
He's a phenomenal sacrifice outlet, has discard synergy, proliferates on demand, distributes -1/-1 counters and therefore acts as removal, and even has protection from Humans as a built-in safety valve from the most popular creature type in Magic.
Positions marked in red are the starting ones, positions marked in green are the "spare" ones
So if we look at rhinos for example, Railway Brawler does get a small discount in cost and is great for double spelling a future turn