Alright, so here's my idea.  I didn't put mana costs because I couldn't decide what would be balanced.

Name:  The Lancer

Type:  General

Appearance:  Mounted knight with a lance

Strengths:  High movement, high attack

Weaknesses:  Low health, low armor

Abilities

Active Power 1:  Call to Arms

Level: 1/4/7/10

Cast time: 1 sec. 

Cooldown: 7 sec.

Summons 2/2/4/4 mounted knights to his side.  The Lancer can support 2/4/6/8 knights at a time.

Active Power 2:  Charge

Level : 2/5/8

Range: 15 yd radius

Cast time: 2 sec.

Cooldown:  15 sec.

The Lancer charges to the target location, dealing 250/500/750 damage to all who stand in his way.  Any mounted knights within the 15 yd radius anlo charge to the target location, dealing 50/100/150 damage each.  This ability cannot be used to cross gaps like Erebus' batswarm.

Active Power 3:  Piercing Strike

Level: 1/4/7/10

Cast time: 1.5 sec.

Cooldown:  15 sec.

The Lancer strikes with all his might, dealing 300/600/900/1200 damage and reducing the target's armor by

8.25%/16.5%/24.75%/33% for 3/4.5/6/7.5 seconds.

Active Power 4:  Raise the Standard

Level: 5/10

Cast time:  2 sec.

Cooldown:  30 sec.

The Lancer unfurls a flag and carries it into battle.  All friendly units withing 15 yds. recieve a 10%/20% boost to all stats for 15 seconds.

Passive Power 1:  Battle Hymn

Level: 2/5/8

The Lancer and his knights sing a rousing battle hymn, raising morale.  All friendly units within 15 yds. recieve a

5%/10%/15% boost to their attack speed.  All friendly units within 5 yds. of a knight recieves an aditional 1%/1.5%/2% per knight.

Passive Power 2:  Hard Hitting

Level: 1/4/7/10

The Lancer has a 1% chance to hit for 1.5X/2X/3X/4X his normal damage.

Level 15 Powers:

Fight On

Requires Call to Arms IV

If The Lancer falls in battle, his knights continue to fight for 10 seconds before falling.

Trample

Requires Charge III

Enemy units caught in the charge who survive are stunned for 5 seconds.  Demigods are stunned for 1.5 seconds.

Bleeder

Requires Piercing Strike IV

Enemies hit with Piercing Strike also suffer a deep wound, losing 50 health a second for 10 seconds.

Glorious Standard

Requires Raise the Standard II

The Flag The Lancer carries is of such magnificance that enemy units are demoralized, suffering a 10% drop in all stats.

Carrying Voice

Requires Battle Hymn III

Raises the Battle Hymn Range to 20 yds for The Lancer and 7.5 yds for the knights.

Adrenalin

Raquires Hard Hitting

When The Lancer lands a hard hit, his attack speed increases 15%