Dark Ritual [Fourth Edition] Grass[+10] Set: Alpha Edition Type: Instant

Set: Alpha Edition Type: Instant Rarity: Rare Cost: {W} Target spell or permanent becomes white

Set: Power of the Duelist Card type: Continuous Trap Rarity: Rare Attack: 0 Defense: 0 Each time a Machine-Type monster(s) is Special Summoned

or Winged Beast monster from your hand or face-up field to the GY

You can only use this effect of "Defcon Bird" once per turn

Set: Dark Revelation Volume 4 Card type: Normal Trap Rarity: Rare Attack: 0 Defense: 0 Activate only when an opponent's monster declares an attack

Dark Ritual [Fourth Edition] Grass[+10] Set: Alpha Edition Type: InstantSet: Fourth Edition Type: Instant Rarity: Common Cost: {B} Add {B}{B}{B}.