Pedals that stack with the Mr. Black Thunderclaw Distortion

Spaceman Explorer 6-Stage Phaser

Put Spaceman Explorer 6-Stage Phaser after Mr. Black Thunderclaw Distortion in the signal chain, clear of Mr. Black Thunderclaw Distortion's own gain stage

Electro-Harmonix Green Russian Big Muff

Electro-Harmonix Green Russian Big Muff's smooth balances out the bright tone

Catalinbread SFT

Catalinbread SFT leans warm right where the bright tone needs it

Ashdown Velvet Compressor

Ashdown Velvet Compressor's own compressed character is the real reason this is worth trying

Suhr Discovery

Put Suhr Discovery after Mr. Black Thunderclaw Distortion in the signal chain, clear of Mr. Black Thunderclaw Distortion's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Strymon TimeLine

Keep Mr. Black Thunderclaw Distortion's bright voice out front: Strymon TimeLine goes after Mr. Black Thunderclaw Distortion in the signal chain so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)