Spellcasting focus. Can a bard use their voice for this?

Does casting a bonus action spell still allow you to cast a normal spell then still get a reaction spell?

Can Careful Spell be used with Cloudkill?

Can a Unicorn mount be called by a Paladin’s Find Steed spell use it’s legendary actions?

FIND STEED SPELL https://www.dndbeyond.com/spells/find-steed

Find Steed “spells that target only you”

Why not include proficency bonus on monsters’ stat blocks?

If you use your action to do a non-spell action, could you use your bonus to cast a cantrip?

PHB states somatic component hand & material component hand can be same…