Fossil Dyna Pachycephalo¶
Edisonformat.net (Revised, Post-UTW Rulings)¶
Source: https://edisonformat.net/card?name=Fossil%20Dyna%20Pachycephalo
Edison-Accurate PSCT¶
① If this card is flipped face-up: Destroy all Special Summoned monsters on the field. ② Neither player can attempt to Special Summon monsters.
Card Rulings¶
If this card is destroyed by battle, the ② stops applying in Substep 6 (“Tragoedia”’s effect can’t be activated).
The ① will destroy Special Summoned monsters that were flipped face-down (eg by Book of Moon), even if they were Flip Summoned after, or banished temporarily (eg by Interdimensional Matter Transporter).
Edisonformat.com (Historical, Pre-UTW Rulings)¶
Source: https://www.edisonformat.com/rulings
Card Text¶
① Neither player can Special Summon monsters. ② When this card is flipped face-up, destroy all Special Summoned monsters on the field.
Card Rulings¶
The ① Continuous Effect applies while this card is face-up.
Monsters cannot be Special Summoned face-down (by “Super-Nimble Mega Hamster).
The ② mandatory Trigger Effect cannot miss the timing.
If this face-down card is attacked, this effect activates in Substep 6 - Resolve Effects.
This effect destroys monsters Special Summoned face-down (by “Super-Nimble Mega Hamster).
This effect destroys Special Summoned monsters that were flipped face-down (by “Book of Moon”).