Jarvan IV, Emperor of All

Eminence — Whenever you attack with 3 or
more creatures with first strike, if Jarvan IV,
Emperor of All is in the command zone or on
the battlefield, all attacking creatures with first
strike gets +1/+1 until end of turn The same is
true for double strike, deathtouch, hexproof,
indestructible, lifelink, menace, protection,
vigilance.
First strike, indestructible, vigilance