Serich, Shadowed Seeker

Vigilance, flash, first strike
When Serich, Shadowed Seeker enters the battlefield, create a 1/1 legendary creature named
Egnis the Exuberant. Whenever a creature you
control dies, you may put a 1/1 counter on any creature you control or two 1/1 counters on
Serich, Shadowed Seeker. If Serich, Shadowed
Seeker's power is 5 or more, it gains double strike.
Dark things follow wherever he goes, but they have not caught him yet