Heidern, Ikari Commander

Elite Commander —Whenever Heidern, Ikari
Commander or another legendary Soldier enters
the battlefield under your control, Soldiers you
control gain haste and vigilance until end of turn.
Gae Bolg — {5}{r}{w}: Until end of turn, Heidern
must attack if able, gains flying and lifelink and
gets +1/+0 for each soldier you control. After
this main phase, there is an additional combat
phase followed by an additional main phase.
Activate only as a sorcery.