Arcane Death Mage

When this card comes into play, it deals 1 damage to all creatures.
Hex proof, indestructible, this creature cannot be countered.
At the start of your turn you may pay {2}{p/b} and deal 3 damage to the target creature/ player.
You may also pay {5}{c}{p/b}{p/w} and give Arcane Death Mage +2 +2.
If a creature blocks Arcane Death Mage, give it -1 -1 until the end of turn before he blocks.