Proto-Thopter

Flying
Metalcraft - Proto-Thopter has +1/+0.
Delerium - Ward 2
Threshold - Proto-Thopter has
"Sacrifice: Add one mana of any color.".
Hellbent - Proto-Thopter has +1/+0
When Proto-Thopter is put into the
graveyard from the battlefield gain life
equal to Domain.