How can you create a combo with Felidar Guardian, Portcullis?
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[START OF COMBO]This combo can be formed with Felidar Guardian, Portcullis

Color identity: W
Mana cost: {3}{W}
Steps:
  1. Cast Felidar Guardian by paying {3}{W}.
  2. Felidar Guardian enters the battlefield, triggering itself and Portcullis.
  3. Resolve the Portcullis trigger, exiling Felidar Guardian and creating a delayed triggered ability.
  4. Resolve the Felidar Guardian trigger, blinking Portcullis.
  5. When Portcullis leaves the battelfield, Portcullis's delayed triggered ability triggers, returning Felidar Guardian and any other creatures exiled with Portcullis from exile to the battlefield.
  6. When these creatures enter the battlefield, Felidar Guardian and Portcullis trigger.
  7. Repeat from step 3.
  8. End the loop by choosing not to blink Portcullis with Felidar Guardian in step 4.[END OF COMBO STEPS]

Result:
  - Infinite blinking
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Felidar Guardian must be in your hand
  - Portcullis must be on the battlefield
  - Any two additional creatures on the battlefield under the control of any player or players.
[END OF COMBO PREREQUISITES]
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