5 Tergrid, God of Fright Also from Kaldheim is one of the most oppressive mono-black creatures ever printed: Tergrid, God of Fright
Then, as Obsidian Flames released, Mew VMAX had to deal with another problem: Charizard ex
Theyre the best cards to sideboard in against a red deck, and are only beaten out by the red instant versions: Red Elemental Blast and Pyroblast, made more valuable by the lack of counter magic in red
Thrummingbird Thrummingbird is the Phyrexian bird horror that could, giving counter-based decks a consistent source of proliferation since Scars of Mirrodin
(I know, ramping is not the best thing to do when you already have a lot of mana, but its better than nothing, and it also lowers your chances of drawing more lands.) Besides, these are artifacts, and there are plenty of ways to leverage them in other ways in the set