This is also a 5-color commander thanks to its cost reduction ability
They simultaneously let you get the value of playing 41 cards in your draft deck with the increased consistency of running a 39-card deck
There are even decks that are built solely around the concept of Special Summoning, such as Ultra Athletes, which can swap in and swap out with each other as Special Summons, activating various card effects when they do
This brutal red card deals an incredible amount of damage split up any which way you want
Suddenly, storing up energy or stalling for the right evolutions is much harder: your big, late-game monster is constantly getting yanked and shunted around the board, each retreat back to the bench inevitably followed by a get over here hoiking right back into danger
With this method, Bullhorn can still use its search effect with its final xyz material