Kryth, Slestren Packlord

When Kryth enters the battlefield or attacks,
create a 2/2 green wolf creature token.
When Kryth and at least 3 other creatures attack,
Kryth gains menace and first strike until end
of turn.
{1}{b}, Sacrifice a wolf: Tap Kryth. It gains indestructible until end of turn.
{2}{w}{r}: Wolves you control gain +1/+1 until
end of turn.