Chthonian Nightmare + Notorious Throng + Shipwreck Dowser

Mana needed: {5}{U} the first turn, with {7}{U}{B}{B} each extra turn

UB identity

Commander legal

The 3 combo pieces

What must be in place

You control a nontoken creature with mana value 1 or less.
You have at least {E}{E}
You control a Rogue that does not have summoning sickness and that cannot be blocked by an opponent.

How to execute it

  1. Deal combat damage using a Rogue
  2. Cast Notorious Throng for its prowl cost by paying {5}{U}, causing you to take an extra turn after this one.
  3. Move to your next turn.
  4. Cast Chthonian Nightmare by paying {1}{B}.
  5. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get {E}{E}{E}.
  6. Activate Chthonian Nightmare by paying {E}{E}{E}{E}{E}, sacrificing a creature with mana value 2 or less, and returning Chthonian Nightmare from the battlefield to your hand, returning Shipwreck Dowser from your graveyard to the battlefield.
  7. When Shipwreck Dowser enters the battlefield, it triggers, returning Notorious Throng from your graveyard to your hand.
  8. Cast Chthonian Nightmare by paying {1}{B}.
  9. When Chthonian Nightmare enters the battlefield, it triggers, causing you to get {E}{E}{E}.
  10. Activate Chthonian Nightmare by paying at most {E}, sacrificing Shipwreck Dowser, and returning Chthonian Nightmare from the battlefield to your hand, returning a creature with mana value 1 or less from your graveyard to the battlefield.
  11. Repeat.

What the combo produces