I am making a cake for my husband's birthday which I'll be icing in buttercream. I'm then planning to pour red ganache over the top for a dripping blood effect. I have a stencil with the Stark direwolf sigil from Game of Thrones that I'd like to use to stencil the top of the cake. I'm just really not sure what the best way to do this would be. I'd like the image to be in black and I was thinking of using luster dust to paint it on or even lustre spray and just spraying it on. If I let the ganache set, do you see any reason why this wouldn't work? I am definitely open to suggestions as I've never used a stencil before.

Never having done it I really can't say but it sounds to me like it should work just fine.