How can you create a combo with Poppet Stitcher // Poppet Factory, Mana Echoes, Phyrexian Altar, Seething Anger?
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[START OF COMBO]This combo can be formed with Poppet Stitcher // Poppet Factory, Mana Echoes, Phyrexian Altar, Seething Anger

Color identity: UR
Mana cost: {3}{R}
Steps:
  1. Cast Seething Anger with buyback by paying {3}{R}.
  2. Poppet Stitcher triggers, creating a 2/2 Zombie creature token.
  3. The Zombie enters the battlefield, triggering Mana Echoes, adding at least {C}{C}{C}{C}.
  4. Resolve Seething Anger, giving target creature +3/+0 until end of turn and returning Seething Anger to your hand.
  5. Activate Phyrexian Altar by sacrificing the Zombie, adding {R}.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinitely powerful creatures until end of turn
  - Infinite magecraft triggers
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Poppet Stitcher // Poppet Factory must be on the battlefield
  - Mana Echoes must be on the battlefield
  - Phyrexian Altar must be on the battlefield
  - Seething Anger must be in your hand
  - You control at least three Zombies.
[END OF COMBO PREREQUISITES]
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