Color Identity: W, U, B, R, G

Prerequisites

  1.  
    Necrotic Ooze
    Necrotic Ooze     on the battlefield.
  2.  
    Codie, Vociferous Codex
    Codie     and
    Morphling
    Morphling     in your graveyard.
  3. Necrotic Ooze
    Necrotic Ooze     does not have summoning sickness.
  4. You have at least one nonland card in hand.
  5. ({4} magic symbol)  , plus enough mana to pay for the nonland card's mana cost minus ({W} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  ({R} magic symbol)  ({G} magic symbol)   available.

Steps

  1. Activate
    Necrotic Ooze
    Necrotic Ooze     using
    Codie, Vociferous Codex
    Codie    's ability by paying ({4} magic symbol)   and tapping it, adding ({W} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  ({R} magic symbol)  ({G} magic symbol)  .
  2. Activate
    Necrotic Ooze
    Necrotic Ooze     using
    Morphling
    Morphling    's first ability by paying ({U} magic symbol)  , untapping
    Necrotic Ooze
    Necrotic Ooze    .
  3. Repeat as desired, skipping step 2 on the final iteration.
  4. Cast any spell by paying its mana cost, reduced by the ({W} magic symbol)  ({U} magic symbol)  ({B} magic symbol)  ({R} magic symbol)  ({G} magic symbol)   added in step 1.
  5. Necrotic Ooze
    Necrotic Ooze     triggers for each time you activated
    Codie, Vociferous Codex
    Codie    's ability.
  6. Resolve the first trigger, causing you to exile cards from the top of your library until you exile an instant or sorcery spell with lesser mana value, and allowing you to cast that spell without paying its mana cost.
  7. Repeat step 6 for each remaining trigger.
  8. You may also repeat this combo for each nonland card in your hand as mana permits, and on subsequent turns.

Results

  1. Cast all instants and sorceries in your library with mana value less than spells you cast.

Metadata

  1. In 1 deck according to EDHREC.
footer