These days, decks that have this plan are what I like to refer to as bad midrange decks. The midrange decks I like are the ones that are a lot more flexible than that
However, cards that allow you to re-flip coins and ensure you get the result you want can be extremely useful, since thatd allow you to turn the scales in your favor either to destroy your opponents creatures or to save any of your own that aren't of the proper creature type
There are also several cards featuring updating rules text, versions with set symbols found in Magic Online , or otherwise adjusted for reprinting in Mystery Booster 2
The fight is totally secondary, but combining the two effects can be a massive life swing and board swing if you have 6 mana to spare
The first damage step is for creatures with first or double strike and the second is for every other creature without those keywords
There are others like this although they are generally a lot slower and as such a lot worse