Athelel, Wave Tyrant

Athelel, Wave Tyrant can't be blocked by
creatures with lesser power.
{4}{u}{u}: Athelel gains unblockable until end of
turn.
When Athelel, Wave Tyrant dies, you may exile
it instead of putting it into your graveyard. If you
do, return any number of creatures target player controls to their owners' hand.