Melf's minute meteors stack with Hope (the spell). So if you have 5 meteors hitting a round that is an extra 10 damage. Definitely not epic damage, but they also are useful for shredding mirror images so they might make it to the spell book or spell picks.
Any other spell combos you found please share. Or even spell strategies.
edit: another combo is mordenkainen's and tensor's
Cool spell combo
Cool spell combo
Right Speech has four aspects: 1. Not lying, but speaking the truth, 2. Avoiding rude and coarse words, but using gentle speech beneficial to the listener, 3. Not slandering, but promoting friendliness and unity, 4. Avoiding frivolous speech, but saying only what is appropriate and beneficial.