How can you create a combo with Felidar Guardian, Preston, the Vanisher, Ephemerate?
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[START OF COMBO]This combo can be formed with Felidar Guardian, Preston, the Vanisher, Ephemerate

Color identity: W
Mana cost: {W}
Steps:
  1. Cast Ephemerate by paying {W}, blinking Felidar Guardian.
  2. Felidar Guardian and Preston trigger.
  3. Resolve Felidar Guardian's trigger, blinking a land you control.
  4. Activate that land by tapping it to add one mana.
  5. Resolve Preston's trigger, creating a 0/1 Illusion token copy of Felidar Guardian.
  6. The token enters the battlefield, blinking the nontoken Felidar Guardian.
  7. Repeat from step 2.
  8. Once you have infinite mana and infinite Illusion tokens, you may activate Preston any number of times.[END OF COMBO STEPS]

Result:
  - Exile any number of nonland permanents
  - Infinite blinking of permanents
  - Infinite enters the battlefield
  - Infinite landfall
  - Infinite leaves the battlefield
  - Infinite mana lands you control can produce[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Felidar Guardian must be on the battlefield
  - Preston, the Vanisher must be on the battlefield
  - Ephemerate must be in your hand
[END OF COMBO PREREQUISITES]
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