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- After Gagagaback Special Summons monsters, the effect that inflicts 600 points of damage to your Life Points is applied. Therefore, Torrential Tribute or Bottomless Trap Hole cannot be activated.
- You can chain Barrel Behind the Door to Gagagaback activation.In that case, your opponent would receive 600 points of damage for each monster Summoned by the effect of Gagagaback.
- If Prime Material Dragon is applying its effect, Gagagaback can be activated. In that case, you would gain 600 Life Points for each monster Summoned by this effect.
- Konami OCG FAQ: Spell Card > Gagagaback
- Konami FAQ: Q: When Gagagaback Special Summons monsters, can Torrential Tribute or Bottomless Trap Hole be activated?
- Konami FAQ: Q: Since Gagagaback has an effect that inflicts damage to your Life Points, can you chain Barrel Behind the Door to its activation?
- Konami FAQ: Q: If Prime Material Dragon exists on the Field applying its effect that switches Effect Damage to Life Point recovery, can Gagagaback be activated?