Jund, Grixis, U/W, Affinity, Hollow One, Scapeshift, and Lantern
The rest of the deck is filled with cards that either are creatures that modified themselves, have effects that let you modify creatures, or are spells that help modify your creatures
This is wonderfully translated into Magic with a mix of two mechanics: a Tonberry enters play tapped and with a stun counter on it, which means it takes two player turns to be ready to attack
Not so with Modern Horizon 3's Graveyard Overdrive Commander deck, which as the name implies, kicks your graveyard into overdrive
It can't draw cards on its own, but it is happy to give other players cards as well
The Meathook Massacre acts as a board wipe that sticks around and scales with the amount of mana you have available at any given time