Beneath Ceaseless Skies | The Angel Azrael and the Dead Man's Hand by Peter Darbyshire
Only Azrael knew it wasn’t luck. He’d watched the game in the reflection of the bottles before he’d turned around, and he’d seen Nick palm a card in one hand and drop a card out of the sleeve of another. Nick was good at his tricks—at least good enough that none of the others had noticed. But Azrael was an angel and had seen all the tricks before.