The upcomming rammus is going to be Madness

Rammus [changelist]

Spiked Shell (Passive) - reworked.
    [Removed] No longer gives 25% of armor as AD

    [New] Rammus deals 8-20 (+10% Armor) bonus magic damage with his basic attacks.

Powerball (Q):

    Maximum movement speed adjusted from 155% to 145+5% per level

    Duration lowered from 7 to 6 

    Collision detection size reduced and made more consistent 
        "impact radius unadjusted" and "checks more frequently" [src]

    Damage reduced from 100/150/200/250/300 (+100% AP) to 100/135/170/205/240 (+100% AP)

    Cooldown reduced from 16/14.5/13/11.5/10 to 16/13.5/11/8.5/6

    Slow changed from 20/25/30/35/40% to 40/50/60/70/80%

    Slow duration lowered from 2 to 1

    [New] spell is now channeled and can be interrupted

Defensive Ball Curl (W):

    Bonus armor adjusted from 40/60/80/100/120 to [20 + 50/55/60/65/70%]

    Bonus magic resist adjusted from 40/60/80/100/120 to [20 + 50/55/60/65/70%]

    Cooldown reduced from 14 to 6

    [New] Slows Rammus by 60% during the effect

    [New] Can be toggled off early

    [New] While defensive ball curl is active, Spiked Shell (P) deals 150% damage and also deals Spiked Shell's damage back to enemies that basic attack him.

Frenzying Taunt (E):

    Renamed from Puncturing Taunt to Frenzying Taunt

    [New] Casting Freenzying Taunt grants Rammus 20/25/30/35/40% Attack Speed for the duration of the taunt.

    [New] Frenzying Taunt's Attack Speed bonus constantly refreshed while any of Rammus' other spells are active.

    [Removed] No longer reduces the target's Armor by 5/10/15/20/25

Tremors (R)

    Damage reduced from 65/130/195 (+30% AP) to 40/80/120 (+20% AP)
    [New] Slows enemies in damages by 8/10/12% for 1.5 seconds, stacking up to 8 times
    [New] Deals double damage to structures

They also changing thormail so it doesn't scale with armor, but give grievous wound, so building 2-3 life-steal item won't be a possible way to counter him anymore.