Nikolai, Primus Soul

When Nikolai, Primus Soul attacks, you may
activate one or more of these effects:
-{p/w}, All of your creatures gain Vigilance
until end of turn.
-{p/b}, All of your creatures gain Deathtouch
until end of turn.
-{p/r}, All of your creatures gain First Strike
until end of turn.
-{p/g}, All of your creatures gain Trample
until end of turn.