How can you create a combo with Slimefoot and Squee, Phyrexian Altar, Priest of Urabrask?
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[START OF COMBO]This combo can be formed with Slimefoot and Squee, Phyrexian Altar, Priest of Urabrask

Color identity: BRG
Mana cost: {1}, plus either {B}, {R} or {G} available
Steps:
  1. Activate Phyrexian Altar twice by sacrificing Priest of Urabrask and Slimefoot and Squee, adding two mana in any combination of {B}, {R} or {G}.
  2. Activate Slimefoot and Squee by paying {1}{B}{R}{G} and sacrificing a Saproling, returning it and Priest of Urabrask from your graveyard to the battlefield.
  3. When Priest of Urabrask and Slimefoot and Squee enter the battlefield, their abilities trigger.
  4. Resolve the Priest of Urabrask trigger, adding {R}{R}{R}.
  5. Resolve the Slimefoot and Squee trigger, creating a 1/1 Saproling creature token.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite red mana
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least one Saproling.
[END OF COMBO PREREQUISITES]
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