Card Rulings:Blackboost
TCG Rulings
- You cannot activate this card during the Damage Step. [1]
- You can remove non-Tuner “Blackwing” monsters that are being treated as Tuners due to other effects. [1]
References
- ↑ a b c Konami Gameplay FAQ: Storm of Ragnarok -- Card Rulings (Version 1.0)