While cards like Vivi challenge the idea somewhat, the fact is that Wizards of the Coast, on the whole, is much more conservative when it comes to designing cards these days
That means the population of errata cards will be fairly limited
Since flipping battles requires some sort of damage, players now have to decide whether their time is better spent attacking opponents directly or if the game could potentially be won faster by focusing on the battle instead
Anjes Ravager Anje's Ravager is a weird red card that must attack each turn, and whenever it attacks, you discard your hand and draw three cards
That means the flavor comes first, and it dictates the set's cards and powers
For the same mana cost youd probably rather sleeve up a creature with burn as an activated ability, or perhaps firebreathing