Can someone with the Mounted Combatant Feat still direct attacks against their horse to themselves, even when Surprised?

Can Eldritch Strike impose disadvantage on a saving throw for a spell you had previously cast?

What is the justification behind the limitation for swimming beasts for druid?

Can druids cast stoneshape or barkskin have that work when in wildshape?

Ed’s Waterdhavian ballad

My PHB just fell out, can it be replaced?