Xexikhel Homarid King

Firststrike, Trample, Islandwalk

Whenever a Homarid enters the Battlefield under
your control you may pay {u}{u}, if you do you may
put a Tide Counter on up to one Permanent.

Whenever you put a Tide Counter on one or more
Permanents, Homarids you control gain Firststrike
until end of Turn.