I think it'll still just be a meme but I believe it already has more potential than Honchkrow V ever did
Long version: In the modern color pie, red is the color for fast-mana effects (called "rituals" after the old Dark Ritual)
Celestial Guardians is the sixth expansion so far and the third major one, following major expansions Genetic Apex and Space-Time Smackdown and smaller expansions Mythical Island, Triumphant Light, and the most recent, Shining Revelry
What sets the good red/black decks apart from the bad is harnessing that damage for something greater
This kills most Planeswalkers and it is an incredible sweeper against the Heliod Company deck because it gets around Heliod, Sun-Crowneds indestructible ability
Resourceful Defense An often overlooked staple of counters decks, Resourceful Defense lets you move counters at will between permanents