[b]Name:[/b] W Nebula Umbra
[b]Card Type:[/b] Normal Trap
[b]Card Effect:[/b] When an opponent's monster declares an attack while you control a face-up "Worm" monster: Target the attacking monster and one face-up "Worm" monster you control; change both targets to face-down Defense Position. If this card is in your Graveyard when an opponent's monster declares an attack while you control a face-up "Worm" monster: Banish this card and target the attacking monster and one face-up "Worm" monster you control; change both targets to face-down Defense Position. You can only use 1 "W Nebula Umbra" effect per turn, and only once that turn.
[b]Card Image:[/b] Flamvell Fiend being pulled into a wormhole by the tentacles of Worm Apocalypse, against a purple space sky.