CardName: Madness Witch Doctor
Cost: {U/R}
Type: Creature - Merfolk Wizard
Pow/Tgh: 0/2
Rules Text: Whenever you discard a card Madness Witch Doctor gets +1/+1
until end of turn and untap it.
Flavour Text: Scale of terrapin
Bit of Elder's fin
To curse all their kin
Set/Rarity: Fetish Wars Common
Madness Witch Doctor
C
Creature – Merfolk Wizard
Whenever you discard a card Madness Witch Doctor gets +1/+1 until end of turn and untap it.
Scale of terrapin
Bit of Elder's fin
To curse all their kin
This ability might be a bit of a bleed. The discard is supposed to come from red and blue's looting abilities.
Looks fine to me. Any colour can trigger off discarding - see Confessor, Spirit Cairn, Telekinetic Bonds etc.