Sons of Horus Legionary

Vigilance, first strike
Tactical Brutality: whenever this at least four
other creatures you control attack, untap those creatures. There is an additional main phase and
then a second combat phase followed by another
main phase
{1}{r}{w}{u}{t}: all attacking creatures gain menace until end of turn
"I thought the Luna Wolves were supposed to be the most aggressive of us all. That's how you like the other Legions to think of you, isn't it? - Sigismund to Loken