- If you Tribute a monster that is battling during the Damage Step, damage calculation is not conducted.
- You can activate Blackwing - Bombardment during the Damage Step, but not during damage calculation.
- If you Tribute a face-down "Blackwing" monster, you use the original ATK of that monster. If you Tribute a face-up monster, you use the ATK on the field.
- The effect of "Blackwing - Bombardment" targets one Synchro Monster which is face-up on your side of the field.