Color Identity: B, G, U

Prerequisites

  1.  
    Saw in Half
    Saw in Half
    in hand.
  2.  
    Slurrk, All-Ingesting
    Slurrk
    and
    Simic Ascendancy
    Simic Ascendancy
    on the battlefield.
  3. You control at least four other creatures with +1/+1 counters on them.
  4. ({2} magic symbol)  ({B} magic symbol)   available.

Steps

  1. On the end step prior to your turn, cast
    Saw in Half
    Saw in Half
    by paying ({2} magic symbol)  ({B} magic symbol)  , destroying
    Slurrk, All-Ingesting
    Slurrk
    and creating two token copies of it with base power equal to half the destroyed creature's power and base toughness equal to half the destroyed creature's toughness, rounding up each time.
  2. Put one
    Slurrk, All-Ingesting
    Slurrk
    token into your graveyard due to the legend rule.
  3. Each
    Slurrk, All-Ingesting
    Slurrk
    triggers once, and
    Simic Ascendancy
    Simic Ascendancy
    's first ability triggers twice.
  4. Resolve both
    Simic Ascendancy
    Simic Ascendancy
    triggers, putting ten growth counters on it.
  5. Resolve the first
    Slurrk, All-Ingesting
    Slurrk
    trigger, putting a +1/+1 counter on each creature you control that has a +1/+1 counter on it.
  6. Simic Ascendacy's first ability triggers for each counter placed this way, putting that many growth counters on it.
  7. Repeat from step 5 for the remaining trigger.
  8. At the beginning of your upkeep,
    Simic Ascendancy
    Simic Ascendancy
    's second ability triggers, causing you to win the game.

Results

  1. Win the game.

Metadata

  1. In 7 decks according to EDHREC.
footer