sea-death fiend

awoken {3}{u}{u} (you may reveal this card as you
draw it if it's the first card you have drawn this turn.
if you do, you may cast it for it's awoken cost)
sea-death fiend can't be blocked
when sea-death fiend enters the battlefield, if you
cast it for it's awoken cost, it gains hexproof.
"i think i caught a big one!". immediate death followed.