Clamperl

You may cast Clamperl from your graveyard if
you sacrifice a Island or a Berry in addition to
paying its mana cost to cast it.
When Clamperl enters the battlefield under your
control, create a Treasure token. (It's an artifact
with "{t}, Sacrifice this artifact: Add one mana of
any color.")
Defender.
{t}: Clamperl gains hexproof and absorb 2
until it untaps. (If a source would deal damage to
this creature, prevent 2 of that damage.)