ForbiddenFossil Dyna Pachycephalo
Effect Monster
Card text
If this card is flipped face-up: Destroy all Special Summoned monsters on the field. Neither player can Special Summon monsters.
- Attribute
- EARTH
- Type
- Rock
- Level
- 4
- ATK
- 1200
- DEF
- 1300
Explained
What it does
When flipped face-up, destroy all Special Summoned monsters on the field. While it's face-up, neither player can Special Summon monsters.
Play it when
It can't be used in Advanced Format: it's Forbidden in the TCG as of the Sept 21, 2026 list.
Common mistakes
- Putting it in an Advanced Format deck. It's Forbidden.
- Forgetting the summon lock stops you too.
How it works
Status: Forbidden in the TCG (Sept 21, 2026 list), so it can’t be used in Advanced Format.
- If flipped face-up (mandatory): Destroy all Special Summoned monsters on the field.
- Continuous: Neither player can Special Summon monsters.
Rulings in plain English
Flip effect: A Trigger Effect on the field. It doesn’t target, must activate whenever it’s flipped, and activates even in the Damage Step.
Summon lock: A Continuous Effect.