How can you create a combo with Prowling Geistcatcher, Restoration Angel, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Prowling Geistcatcher, Restoration Angel, Ashnod's Altar

Color identity: WB
Mana cost: {3}{W}
Steps:
  1. Cast Restoration Angel by paying {3}{W}.
  2. Restoration Angel enters the battlefield, triggering its ability, targeting Prowling Geistcatcher.
  3. Holding priority, activate Ashnod's Altar by sacrificing Restoration Angel, adding {C}{C}.
  4. Prowling Geistcatcher triggers, exiling Restoration Angel from your graveyard.
  5. Resolve the Restoration Angel trigger from 2, blinking Prowling Geistcatcher.
  6. Prowling Geistcatcher leaves the battlefield, returning Restoration Angel from exile to the battlefield.
  7. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - Prowling Geistcatcher must be on the battlefield
  - Restoration Angel must be in your hand
  - Ashnod's Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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