Ill give 2019 Kristen credit for one thing, though, and thats her being ahead of the curve on identifying that its more correct for aggressive decks to ramp by attacking than by playing mana rocks
Speaking of big creatures, if you are the rare green deck that doesn't have any, Khalni Ambush drops from great to medium or even bad, but since big creatures are more or less green's thing, it's hard to imagine too many green decks that won't get value out of the instant-speed fight spell
A Brief History of the Archetype First and foremost, some background: Polymorph, from which half of these strategies derive their name, was first printed in 1996's Mirage, and allowed savvy deckbuilders to swap between creatures in a semi-random manner, by pivoting between what existed on your battlefield, and what creature(s) lurked near the top of your library
Then sacrificing dorks for cards became a thing and now Black usually either sacrifices dorks or pays life for card draw
They provide a safe, organized, and stylish way to store your collection while making it easier to transport your cards to games or tournaments
Whenever Drana deals combat damage to a player, you get to put a +1/+1 on every attacking Creature you control