Not only does this go even on cards when cast for free, but its just a 2-for-1 when you cast it fairly
The latest iteration of these products, first appearing in 2018, is Magics Starter Kits
While innocuous on the surface, the one-mana creature taps to create a mana itself, effectively providing another land drop and allowing you to jump to three mana on turn two, and beyond
Getting to double a creatures power and give it haste each turn is fantastic, especially after someone has swept the battlefield with something like Blasphemous Act
Snapdax, Apex of the Hunt wants to mutate so it can deal damage and gain you life
Sure, they are card disadvantage, but they are allowed to stay, and theres something to be said for not having a threat profile, and let the others blast each other, and then rise above the masses