OCG Rulings

  • When resolving the effect of "Worm Yagan" which Special Summons it in face-down Defense Position, if either you control monsters other than "Worm Xex" or if "Worm Xex" is no longer face-up on the field, then "Worm Yagan" will not be Special Summoned.[2]

References

  1. 1.0 1.1 Konami FAQ: Effect Monster > Worm Xex
  2. Konami FAQ: When resolving the effect of "Worm Yagan", if you control monsters other than "Worm Xex", then can it be Special Summoned?
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