yugioh mechanized madness structure deck card list Yu-Gi-Oh Deck: Structure Deck: Mechanized Madness -

It can be played in various rule formats, which are listed here

You can sacrifice a monster, and in return look at all your opponents cards, then destroy all monsters with 1500 or more attack power

Here, the most likely target is in Modern, where Collected Company has developed into one of the staples of the format, although it's also possible that Wizards had cards like Through the Breach, Show and Tell, or even some of the reanimation effects in Standard like Liliana, Death's Majesty or Rise from the Grave in mind while designing Mistcaller

Whenever another legendary creature you control dies, create a token that's a copy of that creature, except it's not legendary and it's a 2/2 black Zombie in addition to its other colors and types