Farming sims usually follow a familiar, comforting formula. If you, like me, have played your fair share, you already know what you’re in for before you start. You plant crops, you water them, you harvest, sell, rinse, repeat. Ritual of Raven, by Spellgarden Games, sets up a similar conceit, right up until it catches you with a twist. You’ve got a pixel art village, a cute little plot with your name on it, a beguilingly witchy world that I would…