search for a creature card mtg Natural Order · Magic Online Promos (PRM) #43536 · Scryfall Magic: The Gathering Rules Text: Search your library

Its the idea that you spend your cards more efficiently than an opponent, and in doing so, you gain an advantage

If a creature spell you cast this turn was countered by a spell or ability an opponent controlled, you may pay 0 rather than pay Summoning Trap's mana cost

While most people dont want to be drawing three cards for five mana, the fact that you can set up the top of your deck means that you can Brainstorm this to the top of your deck effortlessly

Obviously, this ability will trigger when you sacrifice a nontoken creature to Hunter itself

They also both combo well with your mana dorks, helping accelerate your early game ramp

For all these reasons and more, I just dont think these two generals are trying to be variants of the same archetype