Chthonian Nightmare + Donnie & April, Adorkable Duo + Notorious Throng

Mana needed: {3}{U}{U} the first turn, with {5}{U}{U}{B}{B} each extra turn plus {5}{U} each 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 1 or less, and returning Chthonian Nightmare from the battlefield to your hand, returning Donnie & April from your graveyard to the battlefield.
  7. When Donnie & April 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 Donnie & April, 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