Degardras, Enchanting Priest

Enchantment spells you cast cost {1} less to cast.
Whenever you cast an enchantment spell, you may either gain 2 life or put a +1/+1 counter on Degardras, Enchanting Priest.
As long as Degardras, Enchanting Priest has 3 or more enchantments attached to it, Degardras, Enchanting Priest has hexproof and first strike.