Squeal of Battle

Creatures you control get +2/+0 until end of turn.
If {s} was used to play Squeal of Battle, prevent
all damage non-creature Red sources would
deal this turn.
"The marks of blue on man and beast are the focus of
their ice shamans' blessings. When you see them,
you're in for a fight where fire will not avail you."
- Notes from a Legion's northern deployment.