The Scarlet King

Indestructible Shroud Trampel
{b/r}{b/r}Pay 5 life: Until the end of the turn,
The Scarlet King gains +X/+X equal to the difference in life between,
you and target opponent.
Whenever The Scarlet King attacks,
each opponent must sacrifice one of each
nonland permanent type or take 3 damage
for each they cannot sacrifice.
The Scarlet King can't be sacrificed.