Nevinyrral, Urborg Tyrant + Phyrexian Altar

Mana needed: {3}{W}{U}{B}, plus additional mana dependent on how many creatures have died this turn and commander tax

WUB identity

Commander legal

The 2 combo pieces

How to execute it

  1. Cast Nevinyrral by paying {3}{W}{U}{B} plus commander tax.
  2. Nevinyrral enters the battlefield.
  3. In response, activate Phyrexian Altar by sacrificing Nevinyrral, adding {1}.
  4. Decline to pay for Nevinyrral's leave the battlefield trigger.
  5. Resolve Nevinyrral's ETB trigger, creating a tapped 2/2 Zombie creature token for each creature that died this turn.
  6. Activate Phyrexian Altar by sacrificing all Zombie tokens, adding {1} for each.
  7. Repeat.

What the combo produces