How many of these cards would make other colors top five lists, easily
I have some bias because all four of them either focus on mechanics I find really fun (monarch, politics and voting, and Food) or play into archetypes I already really liked (Grixis reanimation and spellslinger)
If you want the mono-black, go-wide rat-swarm experience most people mean by rat deck, start with Marrow-Gnawer or Karumonix
Boros Energy is its most common home, but youll also see it in Mardu lists and even Four-Color Omnath piles
Whenever a creature you control with a +1/+1 counter on it becomes the target of a spell or ability an opponent controls, you may draw a card
Honestly, most of the flipwalkers from MH3 are semi-broken, but Ajani, Nacatl Pariah is just unreasonable