The popularity and playability of the Black Lotus became a detriment to the card itself, causing players to use many of the original 1,008 Alpha Black Lotuses in competitive play, auction house PWCC said of the rarity of finding a Black Lotus in such condition
But making the removal more efficient runs the risk of a deck full of creatures never being able to establish a board in the first place
That potency only increases if you have ways to loop it, essentially doubling the number of turns you take while rendering a different player obsolete
If they are holding removal or countermagic you can take that away, see what other options they have and then do your own thing with perfect information and safety
That does make it a jack of all trades, master of none, but once you get those +1/+1 counters flying on your cards, you wont mind one bit
Sure, if you pull it off, you are likely to win, but if you are one mana short, you are one mana short