Mazz, Pyromantic Hermit

When you cast Mazz, Pyromantic sacrifice all tapped lands you control and it deals 5 damage to all other creatures.
Mazz, Pyromantic Hermit enters the battlefield with a +1/+1 counter on it for each creature that died this turn.
His hermitage is sacred but now as war sweeps the land he finds himself sharing his lands with savages.