How can you create a combo with Najeela, the Blade-Blossom, Rith, the Awakener, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Najeela, the Blade-Blossom, Rith, the Awakener, Phyrexian Altar

Color identity: WUBRG
Mana cost: {2}{G}
Steps:
  1. Declare Rith and Najeela, if desired, as attackers.
  2. If one or more Warriors attack, Najeela triggers, creating that many 1/1 Warrior creature tokens.
  3. Deal combat damage using Rith.
  4. Rith triggers, causing you to pay {2}{G} to create at least eight 1/1 Saproling creature tokens.
  5. Activate Phyrexian Altar five times by sacrificing five Saprolings, adding {W}{U}{B}{R}{G}.
  6. Activate Najeela by paying {W}{U}{B}{R}{G}, untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.
  7. Move to your next combat phase.
  8. Repeat steps 1-3 one additional time.
  9. Rith triggers, holding priority, activate Phyrexian Altar three times by sacrificing three Saprolings, adding {2}{G}.
  10. Resolve the Rith trigger, causing you to pay {2}{G} to create at least eight 1/1 Saproling creature tokens.
  11. Repeat from step 5.
  12.  If there are at least nine permanents of any color on the battlefield and/or you control a Warrior that can attack, this combo nets infinite creature tokens and colored mana.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite combat damage
  - Infinite combat phases
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Rith does not have summoning sickness.
  - There is at least eight permanents of any one color on the battlefield.
  - An opponent cannot block Rith.
[END OF COMBO PREREQUISITES]
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