The Gravemind's Roar

This card can only be cast once per game.
All Flood creatures you control get wither for the
rest of the game. Create a token copy of all
creatures you control then create X 1/1 Flood Infection Form creature tokens where X is the
number of Biomass Counters you have. You may
exile this card from your graveyard, if you do,
return all Flood creatures in your graveyard to the battlefield, you may only activate this ability
anytime you could cast a sorcery.
"Do not be afraid. I am peace; I am