With the help of cards, you can take cards from the graveyard to your hand
I quickly traded all of my good Innistrad block cards such as Huntmasters, Bonfires, etc
For example: This is not a combo, in my view
MtG mutate cards seem simple at first, but the mutate keyword is one of the least intuitive in all of Magic the Gathering
Ripples of Potential (EA $7, 105k decks) Mutational Advantage (FEA $10, 60k decks) The Wise Mothman (Surge Showcase $200, Foil Showcase $20, 28k decks as commander, #11 in last two years) Mindcrank (NPH pack foil $40, SLD foil $21, 121k decks) Mesmeric Orb (Retro foil $30, 109k decks) Wizards likes to do this sort of thing, where theres one commander, and several of the accessories
When your opponent does something, you get to do something