Bards who take this subclass study more in the expression of the abstract rather than the boisterous sounds of music.

Blank Canvas

3rd level Collage of the Canvas feature

Starting with a blank page is always best for any artist.  When you use a bonus action to give an ally a Bardic Inspiration, you can instead erase 1 condition inflicting them. (blind, poisoned, deafened, silenced, stunned, frightened, or paralyzed)

At the same time, roll the Bardic Die.  The target gains Temporary HP equal to the result.

Paint a Picture

3rd Level College of the Canvas Feature

You gain Proficiency with an Artisan Tool of your choice and can use it as a spell-casting medium.

Paint a Picture:  As an action, you can make a Ranged Spell Attack against a creature or object you can see within 60 ft.  On a hit, it deals 1d8(+ your Charisma Modifier) Force damage.

The damage die increases by 1d8 at levels 5, 11, and 17.

Mural of Hope

6th Level College of Paint Feature

You've learned to craft multiple pictures in a split second.  When you cast Paint a Picture, you can target multiple creatures or objects up to your proficiency bonus.  When you target a hostile or an object, make a Ranged Spell Attack and deal damage accordingly.  When you target an ally, roll 1d12 and they are healed for the amount rolled.  There is no Attack roll needed when targeting allies.  Each target can only be affected once per turn.

You can use Paint a Picture like this for an amount of time equal to your CHA Modifier before needing a short rest.

The Big Picture

14th Level College of the Canvas Feature

You've mastered your art with ease.  As an action, you can create this masterpiece to inspire allies and bewilder enemies.  

When you present this masterpiece, all allies within a 30-foot radius centered around you are healed for 2d12 + your CHA modifier HP as they gaze into the beauty of it.  Likewise, any hostiles in the radius must make a WIS saving throw against your DC or be charmed by you until the end of your next turn.  Any damage to a charmed creature breaks the charm and ends the condition.

You can use this feature once before needing a Long Rest to use it again.