mtg zombie token cards Stainless Steel creatures you control have base power and toughness X/X and gain all creature types. Zombie Token Pack for Magic

So while it wasnt truly official outside of tournaments until 1999, it was already widely accepted before then

Personal preference I guess or meta choice if you don't want to run both I guess

You wont see it much in faster formats, but in casual circles, Razaketh is a terrifying finisher

Expect to pilot a grindy midrange deck that rewards careful resource management and turns opponents' creatures or your own graveyard into a toolbox of answers and win conditions, making it ideal if you enjoy Sultai decks that feel adaptable and hard to permanently remove in casual Commander

Awaken the Maelstrom is very good, but you need to divert so much damage into popping it that it's often better just to attack