It gets even better if you have access to a sacrifice outlet, letting you ditch all of your opponents creatures as soon as youre done attacking with them
Realistically, engineering these situations does take a fair bit of work, and you could easily get blown out
5 mana for 5 damage at Sorcery speed isnt anywhere close to premium it is super clunky and firing it off on something that is cheaper than it is rough
Best Ultimatum Payoffs Lilah, Undefeated Slickshot gets you a free second ultimatum through plotting it
I think this version drives you more towards cantrips and card draw, whereas some people go deep on the counterspells for the aforementioned Commander, which is a cool niche
Search your library for a Dinosaur creature card, put it onto the battlefield, then shuffle