Gaia Knight, the Force of Earth (Purple) [DL17-EN011] Rare Divine-Beast (You can only gain this

(You can only gain this effect once per turn

when an opponent's monster declares an attack: You can change 1 face-down Defense Position "Subterror" monster you control to face-up Attack or Defense Position

This card cannot be Special Summoned except with its own effect or with "Assault Mode Activate"

If it becomes angered

You can Tribute 1 Reptile-Type "Worm" monster to select and destroy 1 card your opponent controls

Gaia Knight, the Force of Earth (Purple) [DL17-EN011] Rare Divine-Beast (You can only gain thisSet: Duelist League Promo Card type: Synchro Monster Rarity: Rare Attack: 2600 Defense: 800 1 Tuner + 1 or more non Tuner monsters