Jem, Oceanic Mage

When Jem, Oceanic Mage enters the battlefield,
search your library for a Island, reveal it and put
it into your hand then shuffle your library.
{1}{u} Create a +2/+2 Dolphin creature token on
the battlefield tapped & attacking.
{t}, {3}{u} If a creature died this turn, send Jem,
Oceanic Mage to the graveyard. You may play this
card any time during this turn.