4) Class Traits + Ability Distribution
Avengers act as Strikers - bringing divine punishment upon their enemies, but they're not tank-y in any way. My key abilities are Wisdom, Dexterity, and Intelligence, in that order, so my Deva racial bonuses are right ON POINT. Let's stat it out:
STR 11 (+0)
DEX 18 (+4) = 17 + 1 at Level 4.
CON 12 (+1)
INT 16 (+3) = 14 + 2
WIS 18 (+4) = 15 + 2 + 1 at Level 4.
CHA 10 (+0)
Armor is Cloth only, so I'm pleased that my Defense Bonuses are +1 to Fortitude, Reflex, and Will.
Weapon Proficiencies: Simple and Martial Melee, and just Simple Ranged (so I guess I'm going up close and personal)
Now, that Armor proficiency feels a bit disappointing, but the Avenger gets a few little features to help out their "battle cleric" status:
1) ARMOR OF FAITH - as long as I'm not in heavy armor or using a shield, my deity rewards my courage in the face of certain doom with a +3 bonus to my AC.
2) AVENGER'S CENSURE - I choose one of two bonuses that tie directly to a creature that is the target of my Oath Of Enmity (what up, 5E Vengeance Paladin?), Pursuit or Retribution. I like the damage bump (3 from my Int) of Retribution, as well as the synergy in Power selection later (you'll see), so I'll go with that.
3) OATH OF ENMITY - select a chosen prey, and take the best of two attacks on them until the end of the Encounter as a Minor Action. Woof. Probability is now on my side.
4) CHANNEL DIVINITY - you start with two Channel Divinity powers (more if you take certain Feats): Abjure Undead (deal sick damage to one undead target and immobilize them) and Divine Guidance (let an ally roll twice for an attack). Both Encounter powers, so I've got 'em each fight.
A Level 4 dude has 2 At-Will Powers, 2 Encounter Powers (not including other class features, or racial abilities), 1 Utility Power, and 1 Daily Power. Let's get to it.
At-Wills - my focus is on dealing decent damage and chasing down opponents so I can smite the crud out of them:
1) Bond of Pursuit - Weapon attack plus Wisdom Modifier damage, but the kicker is that I can chase down the target if he ends his turn away from me.
2) Bond of Retribution - decent damage and radiant damage tied to my Intelligence if an enemy other than my target smacks me. That'll learn 'em good. :)
Racial) Memory of a Thousand Lifetimes - didn't like that roll? Let's add 1d6 to it!
Class Feature [CF]) Oath of Enmity - roll two attacks and take the better result for the whole fight or when the thing dies. All that for a Minor Action.
CF) Channel Divinity: Abjure Undead - immobilize and wreck one undead creature.
CF) Channel Divinity: Divine Guidance - when an ally attacks your Enmity target, have them roll twice and take the better result. Yes please hit my quarry!
1st Level) Avenging Echo - Don't stand so close to me! Until the end of my next turn, enemies near me take 8 radiant damage (5 + 3 from my Int because of Censure of Retribution).
3rd Level) Halo Of Fire - same deal as Echo, but better weapon damage, and this time it's 8 fire damage.
1) Temple Of Light - Double weapon damage + Wisdom radiance AND it creates a zone of extra damage that follows the target. Creatures struck by me in such a zone take extra damage. I see this limiting a target's movement, as the spillover damage to their own allies is less than helpful.
Utility - Encounter
2nd Level) Resonant Escape - triggered by being hit, or missed, I get to teleport a few squares away. Cool.
1) Improved Armor Of Faith - an additional bonus to AC that increases at later levels (+1 for now)
2) Melee Training - effectively (if I pick Dexterity) turns my basic melee attacks into 5E finesse weapons, so I can use my Dexterity modifier to slice the junk out of enemies instead of Strength.
4) Melora's Tide - another Channel Divinity option that grants some regeneration to me or an ally until we're not half dead.
6) Gear and Overview
Basic Melee = Longsword; +9 to hit, 1d8+4 damage --- Longswords have +3 Proficiency, + Dexterity (4) + 1/2 Level (2)
Basic Ranged = Crossbow; +8 to hit, 1d8+4 damage --- Crossbows have +2 Proficiency + Dex (4) + 1/2 Level (2)
At-Will Powers: Bond Of Pursuit, Bond Of Retribution
Encounter Powers: Memory of a Thousand Lifetimes (Racial), Oath Of Enmity (CF), CD Abjure Undead (CF), CD Divine Guidance (CF), Avenging Echo, Halo Of Fire, Resonant Escape (Utility)
Daily Powers: Temple Of Light
HP: 33 (15 at level 1, +6 per level )
Healing Surges: 8 Surge Value: 8
AC: 20 --- (10+1/2 level +Dexterity Mod +Armor Of Faith 
Fortitude: 14 --- (Con Mod  + 12 + 1)
Reflex: 17 --- (Dex +4 + 12 + 1)
Will: 17 --- (Wis +4 + 12 + 1)
Trained Skills: Religion + Acrobatics, Heal, Perception
Time to kick some butt, Vered Felstaff. Let's rock.
See you at the table.
Game On! Director, musician, music teacher, game designer, and professional game master. In short, I'M A BIG NERD.