Allosid, Strange Swimmer

Dive {1}{u}{u} (When you cast this spell,
you may pay {1}{u}{u}. When you do, this
creature gains haste and islandwalk until end
of turn and must attack a player that controls
an island this combat if able.)
Whenever Allosid, Strange Swimmer attacks,
put an intimidate and +1/+1 counter on target
attacking creature you control. Then
proliferate.