Gravemind, Galaxy's Foe

Ward {x}, where X is the amount of flood creatures you control.
At the beginning of your upkeep, create 3 1/1
Flood Infection Form tokens.
Whenever a creature dealt combat damage by
Flood Infection Form dies this turn, return it
to the battlefield under your control, they
become Flood in addition to their other types.
{b}{g/u}: Target creature you control gains either
a Flood Carrier role token or Flood Combat
role token.