Amps that pair well with the Origin Effects Halcyon Green Overdrive

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → high gain)

Marshall JVM410H stacks high gain on top of the mid-forward already here

Comes later in the signal chain

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → high gain)

Run mid-forward into Soldano SLO 100 100-Watt Tube Guitar Amplifier for more high gain on top

Comes later in the signal chain