Here are some of my favourite combinations for stacking modulation pedals. Let me know some of your favourites down in the comments. I'm sure I missed some!
Timecodes:
00:00 - Intro to Stacked Modulation
00:45 - 1. Basic Stacked Chorus
02:18 - 2. Stacked Phaser (Mu-Tron Bi-Phase Style)
03:38 - 3. Phaser & Flanger with Matched Settings
05:10 - 4. Chorus & Flanger with Contrasting Settings
06:50 - 5. Wow and Flutter 'Tape Machine' Chorus & Vibrato
08:55 - 6. Ultimate Funk! Envelope Filter & Phaser
10:07 - 7. Flanger & Tremolo Synth
11:10 - 8. Glitchy Stacked Tremolo