Based on talk at EN World, this is a sketch for a martial controller class based on gadgets and repartee. It might end up as nothing or several different classes. The working name is Mastermind.
You can see deep into the souls of others, see the fear there, and use this knowledge to your advantage. Your primary attribute is Dexterity, because you use it to attack and do damage. Charisma is a close second and determines the secondary effects of your powers.
Insight of Fear:
Inventive Mastermind
You understand gadgets and technology to a degree unique even among masterminds. When you craft, devices dance. Your primary attribute is Dexterity, which your attacks is based on. Your secondary attribute is Intelligence, used to determine the utility of your tricks and devices.
Insight of Craft:
Forceful Mastermind
You concentrate on physical power. Trickery and psychology is good for setting up, but in the end it always comes down to brawn. Your primary attribute is Dexerity. Your secondary attribute is Strength, determining how well you can throw and manhandle your opponents.
Insight of Power:
Mastermind Powers
Level 1 At-Will Spells
Caltrops
Bard Attack 1
You unbalance an enemy, setting them up for an attack.
At-Will ✦ Arcane, Weapon
Standard ActionMelee weapon
Attack: Charisma vs. Reflex
Hit: 1[W] + Charisma modifier damage. Choose an ally within 4 + Dexterity modifier squares, the target grants combat advantage to this ally until the end of your next turn.
Increase damage to 2[W] + Charisma modifier at 21st level.
Level 1 Encounter Spells
Fast Friends (Revised)
Bard Attack 1
You sing a tune of false friendship, leaving your foe in a reverie.
Encounter ✦ Arcane, Charm, Implement
Standard ActionRanged 5
Attack: Charisma vs. Will
Hit: The target cannot attack you or your allies until the end of your next turn or until you or one of your allies attacks the target.
Graceful Step
Bard Attack 1
You move as if in a dance, leading your target along.
Encounter ✦ Arcane, Weapon
Standard ActionMelee weapon
Target: One creature.
Attack: Charisma vs. Reflex. Hit: 1[W] + Charisma modifier damage. Shift one square and slide the target into any square adjacent to your new position. Miss: Shift one square. Virtue of Grace: You shift your Dexterity modifier squares.
Phantom Blow
Bard Attack 1
After you strike, shadows seem to leap at the opponent from every angle, opening up for potential assaults.
Encounter ✦ Arcane, Illusion, Weapon
Standard ActionMelee weapon
Target: One creature.
Attack: Charisma vs. AC. Hit: 1[W] + Charisma modifier damage and target grants combat advantage until the end of your next turn.
Level 1 Daily Spells
Grease
Bard Attack 1
By humming a little comic ditty, you make the ground slick and treacherous.
Daily ✦ Arcane, Implement, Zone
Standard ActionArea burst 2 within 5 squares
Target: Each creature in burst.
Attack: Charisma vs. Reflex. Hit: Target is knocked prone. Effect: Until the end of your next turn, any creature that enters or moves within the zone is subject to another attack. Sustain Minor: The effect remains.
Hunter's Horn
Bard Attack 1
A sharp blast precedes your and your allies’ assault.
Daily ✦ Arcane, Implement, Psychic
Standard ActionClose burst 2
Target: Each enemy in burst
Attack: Charisma vs. Will Hit: 2d6 + Charisma psychic damage. Target is weakened until the end of your next turn. Effect: Allies within the burst gain a +2 power bonus to attack rolls until the end of your next turn.
Staccato
Bard Attack 1
You strike hard and fast, inciting your allies to follow your example.
Daily ✦ Arcane, Weapon, Zone
Standard ActionMelee weapon
Target: One creature.
Attack: Charisma vs. AC. Hit: 2[W] + Charisma modifier damage. Effect: Until the end of the encounter, you and allies within 5 squares of you can shift 1 square as a minor action. Virtue of Grace: Until the end of the encounter, you and allies within 4 + your Dexterity modifier squares of you can shift 1 square as a minor action.
Level 3 Encounter Spells
Bladeweave
Bard Attack 3
Your weapon shifts and weaves, dizzying your opponent as you strike.
Encounter ✦ Arcane, Weapon
Standard ActionMelee weapon
Target: One creature.
Attack: Charisma vs. AC. Hit: [W] + Charisma modifier damage and the target is dazed until the end of your next turn.
Flip and Switch
Bard Attack 3
You twirl with a partner, strike out, and twirl again.
Encounter ✦ Arcane, Weapon
Standard ActionMelee weapon
Target: One creature.
Attack: Charisma vs. AC. Hit: 2[W] + Charisma modifier damage. Effect: Slide you and a willing adjacent ally, exchanging places before and after the attack. This can be two different allies. Virtue of Grace: Exchange places with willing allies within your Dexterity modifier squares.
Level 5 Daily Spells
Glitterdust
Bard Attack 5
You create a cloud of shining particles that sticks to your foe’s armor and eyes.
Daily ✦ Arcane, Implement, Radiant
Standard ActionArea 2 in 20 squares
Target: Each creature in burst.
Attack: Charisma vs. Reflex. Hit: 1d6 + Charisma modifier radiant damage and the target is blinded (save ends). Effect: The target cannot benefit from concealment or invisibility for the rest of the encounter.
Level 6 Utility Spells
Allegro (Revised)
Bard Utility 6
You drum out a hasty rhythm that infuses you and your comrades with magical speed.
Daily ✦ Arcane
Minor ActionClose burst 10
Target: You and each ally in burst.
Effect: You slide each target 2 squares. Virtue of Grace: You slide each target 1 + your Dexterity modifier squares.
Level 7 Encounter Spells
Whirling Chaos
Bard Attack 7
You whirl and spin, causing chaos around you.
Encounter ✦ Arcane, Weapon
Standard ActionClose burst 1
Target: Each enemy in burst you can see.
Attack: Charisma vs. Reflex. Hit: [W]´+ Charisma modifier damage and knock the target prone. Virtue of Grace: Slide the target your Dexterity modifier squares before knocking it prone.
Level 13 Encounter Spells
Reap the Whirlwind
Bard Attack 13
You spin and twirl, causing any attacker to recoil.
Encounter ✦ Arcane, Weapon
Standard ActionClose burst 1
Target: All creatures in the burst you can see.
Attack: Charisma vs. Reflex. Hit: [W] + Charisma modifier damage. Effect: Until the end of your next turn, any enemy attacking provokes an opportunity attack from you and any enemy hit by one of your opportunity attacks falls prone. Enemies that fall prone can still attack you if they are in reach. Virtue of Grace: You can slide anyone hit by one of your opportunity attacks a number of squares equal to your Dexterity modifier.
Level 17 Encounter Spells
Encouraging Beat
Bard Attack 17
You strike a strong beat on your enemies, encouraging allies to activity.
Encounter ✦ Arcane, Weapon
Standard ActionMelee weapon
Target: One or two targets.
Attack: Charisma vs. AC. Hit: [W] + Charisma modifier damage. As long as you hit at least one enemy, each ally within 10 squares can make a saving trow to end any condition that a saving throw can end. Virtue of Grace: Allies gain a bonus on the saving throw equal to your Dexterity modifier.
Level 27 Encounter Spells
Dance of the Spheres
Bard Attack 27
You shift space and time, linking your enemy and your allies in a spatial bond.
Encounter ✦ Arcane, Implement, Force
Standard ActionRanged 10
Target: One enemy.
Attack: Charisma vs. Will. This attack ignores cover. Hit: 2d6 + Charisma modifier force damage. Until the end of your next turn you and allies within 10 squares are considered adjacent to the target, with a clear line of sight and effect ignoring cover and concealment, able to use any power you can use on an adjacent enemy, and to make opportunity attacks whenever the target takes an action that normally provokes opportunity attacks from adjacent targets, such as moving. Virtue of Grace: You and allies gain a bonus to attack rolls and damage rolls against the target equal to 1 + your Dexterity modifier until the end of your next turn.
New Feats
Precise Grace
Prerequisites: Bard, Virtue of Grace
Benefit: When your Virtue of Grace class ability cause an enemy to miss, the ally gains a +2 power bonus against its next attack against that ally before the end of the enemy's next turn.