Chameleon Brush [Tier 2]

A brush transfigured from a chameleon; it can change the color of a symbol.
Discard a card, change the color of a symbol to a color present in the discarded card.
If un-powered, you can only change the color of a symbol to a color not currently in your cauldron.

Metadata

{
    "key": "chameleon_brush",
    "count": 4,
    "tier": 2,
    "machine": "Chameleon Brush",
    "background": "machine-2.png",
    "description": "A brush transfigured from a chameleon; it can change the color of a symbol.\nDiscard a card, change the color of a symbol to a color present in the discarded card.\nIf un-powered, you can only change the color of a symbol to a color not currently in your cauldron.\n",
    "bands": {
        "top": "itemInput",
        "bottom": "itemOutput"
    }
}