Pedals that stack with the Cornerstone Antique v2

EarthQuaker Devices Night Wire

Keep Cornerstone Antique v2's high gain voice out front: EarthQuaker Devices Night Wire goes after Cornerstone Antique v2 in the signal chain so its modulated voice doesn't muddy it

Suhr Shiba Drive

Suhr Shiba Drive pushes a high gain tone toward mid-forward

Electro-Harmonix "Ram's Head" Big Muff Pi V2

Feed a high gain signal into Electro-Harmonix "Ram's Head" Big Muff Pi V2 and it comes out closer to mid-forward

Boss DD-500 Digital Delay

Boss DD-500 Digital Delay's shimmer voice goes after Cornerstone Antique v2 in the signal chain — it's not there to compete with Cornerstone Antique v2's own high gain character — goes in the amp's FX loop (or last, into a clean amp)

Hungry Robot Moby Dick V2

Run Hungry Robot Moby Dick V2 after Cornerstone Antique v2 in the signal chain, clear of Cornerstone Antique v2's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Warm Audio Pedal 76 Compressor

Warm Audio Pedal 76 Compressor's own tight character is the real reason this is worth trying