Geitgarr, the Iron King

When Geitgarr is summoned, heal 5 and grant all ally permanents Hexproof and all ally creatures +0/+2.
If an ally creature is summoned whilst Geitgarr is on the battlefield, they gain special effects. Red creatures gain Haste, Blue gain +0/+2, Green gain +2/+0, White gain +1/+1 and Double Strike and Black gain +2/+1 and First Strike.
We are unbreakable, we are Iron, we are Gods