Four and Five Color Aggro presents powerful multi-color threats with removal across all colors. Your Dimir midrange plan of Deep-Cavern Bat, Kaito, Bane of Nightmares, and Tishana's Tidebinder is well-positioned to trade one-for-one with their threats while generating card advantage. Annul handles their key enchantments and equipment. Essence Scatter counters their most threatening creatures. Additional Requiting Hex gives you more copies of premium removal. Flitterwing Nuisance and Phantom Interference are marginal, Spell Snare has limited application against their higher mana curve, and Soulstone Sanctuary as a utility land is cut to maximize your interactive spell count.