Praise The Dead

Flashback{r}{b} (You may pay {r}{r}{b}{b} after the flashback to prevent exile, instead, return to graveyard)
For the rest of the game,
all creatures get -0/-1
Each player returns up to 2 creatures from their graveyard to their hands. Those creatures have Flashback {r} or {b} and {r}{r}{b}{b} to prevent exile