Assault Blackwing - Raikiri the Rain Shower

1 Tuner + 1 or more non-Tuner monsters If this card is Synchro Summoned using a "Blackwing" monster as Material, it is treated as a Tuner monster while face-up on the field. Once per turn: You can target cards your opponent controls, up to the number of other "Blackwing" monsters you control; destroy them.

From Yu-Gi-Oh! Trading Card Game.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6nmduj0ehesb1i2fqlp03z.