mtg white counterspell cards Mono-White : r/custommagic Counter target spell. The Top 50 White Cards

Eight mana is a cheap price to pay to turn any creature into an Eldrazi powerhouse, even tacking on the unique annihilator 2 ability to force your opponent to sacrifice two permanents along with taking tons of damage

Pairing it with cards like Entomb lets it enter as a copy of a massive creature such as Griselbrand in Brawl or any other top-end threat your Commander deck is built around, while also exiling the original card to prevent recursion

Also, the cards in your 99 all have to have a printing at common rarity, in a nice callback to the Pauper format

With up to three boons each round, this is going to be a popular artifact

It has a ton of keywords, a manageable mana value, and a consistent way to proliferate