mtg black card destroy enchantment Ward | 4th Edition and all Auras you own attached to attacking creatures your opponents control Enchantment Lack in Black

This page also lists all of the sets in reverse chronological order, to easily find the one you want

Every Collector Booster has a single dedicated Legends Retold uncommon slot that splits evenly between a non-foil and a foil-etched version

Capable of Seeking an Artifact every single turn, and turning it into a Gnome, Cogwork Progenitor feels inherently breakable

Ob Nixiliss Cruelty is a solid removal

While the Worldsire doesn't have trample or any other form of evasion, it should be large enough that you can kill anything that crosses its path, and the land ability should be what you're using this for, with things like Valakut, the Molten Pinnacle or Field of the Dead

A natural downside of decks that utilize big mana creatures is that if the ways to cheat around their mana cost aren't on the battlefield, the big spells will stay stuck in your hand