9 cards where the illustration contains “soundwaves”

Blitzwing, Cruel Tormentor // Blitzwing, Adaptive Assailant (Transformers #19)
Blitzwing, Cruel Tormentor // Blitzwing, Adaptive Assailant (Transformers #19)
Curse of Echoes (Dark Ascension #34)
Deafening Clarion (Guilds of Ravnica #165)
Deathbellow War Cry (Theros Beyond Death #294)
Guttural Response (Duel Decks: Mind vs. Might #56)
Sonic Assault (Guilds of Ravnica #199)
Strionic Resonator (The Lost Caverns of Ixalan Commander #116)
The Sound of Drums (Doctor Who #702)
Warping Wail (Oath of the Gatewatch #12)

This search is finished. Now the real work can begin.