RD/TB01-JP051 幻壊剣チクエディア Genkaiken Chikuedea (Demolition Sword Constructedea)
Equip Spell Card
[REQUIREMENT] Equip to 1 face-up Wyrm monster you control.
[EFFECT] The equipped monster gains 500 ATK, also, if there are 5 or more Wyrm monsters in your GY, then, it also gains 500 ATK.

RD/TB01-JP054 Peaks of Blisstopia (Reprint)
RD/TB01-JP055 Silvermountain of Blisstopia (Reprint)

RD/TB01-JP057 幻壊壁礫 Genkai Hekireki (Demolition Barricade)
Normal Trap Card
[REQUIREMENT] If you control a face-up Level 7 or higher Wyrm monster, when an opponent’s Level 8 or lower monster declares an attack.
[EFFECT] Negate that attack, also, during this turn, your opponent cannot attack with Level 7 or lower monsters.

Source