Laboratory Maniac in hand or in your graveyard or in your library.
Elite Arcanist and
Mind Over Matter on the battlefield.
Elite Arcanist does not have summoning sickness.
You have at least 20 life.
You control a land that can tap to add ({B} magic symbol) .
NOTE: This combo could fail if your library size is not a multiple of seven and a combo piece is near the bottom, but this risk is easily minimized mid-combo by tutors or library size manipulation.