Collaborations like Fallout and Hatsune Miku make for some of the most valuable and sought-after Bonus cards
Red offers multiple creatures (Guttersnipe, Thermo-Alchemist, Firebrand Archer, Kessig Flamebreather, Electrostatic Field, etc.) and enchantments (Descent into Avernus, Oath of Chandra Valakut Exploration, Dragon Tempest, Impact Tremors, etc.) that dish out repeated damage with a bit of extra work
Its also the best playoff for running villains if you manage to cast it and it survives, and the villain theme has plenty of support
Casting a Veil of Summer in response to a Cryptic Command was truly backbreaking, but its less powerful when you cast it in the face of a Counterspell and your opponent simply responds by casting another one
The last deck is Forces of the Imperium, fronted by Inquisitor Greyfax
If you are fortunate enough to control one, its mana ability is available to you right away