Don'Barog Fourth of Nine

Don'Barog is all color's
For each creature that died this turn reduce
Don'Barog's cost by {1}
Reach Lifelink
Don'Barog can block as many creatures as possible.
At the start of your opponent's combat step's
Don'Barog is indestructible until end of the turn.
Don'Barog cannot be destroyed, exiled, or sacrificed.