How can you create a combo with Leveler, Out of the Tombs, Fecundity, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Leveler, Out of the Tombs, Fecundity, Phyrexian Altar

Color identity: BG
Mana cost: {5}
Steps:
  1. Cast Leveler by paying {5}.
  2. Leveler enters the battlefield, exiling your library.
  3. Activate Phyrexian Altar by sacrificing any creature, adding one mana of any color.
  4. Fecundity triggers, causing you to return any creature from your graveyard to the battlefield due to Out of the Tombs.
  5. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Exile your library
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Leveler must be in your hand
  - Out of the Tombs must be on the battlefield
  - Fecundity must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant