Gihlnya of the Dunes

Tap an untapped Desert you control: Until end
of turn Gihlnya of the Dunes gains your choice
of Firststrike, deathtouch, lifelink, or haste.
{b}{r}{g}{w}: The next time target creature you
control would die, Exile it instead. If you do,
create a token copy except it's a 1/1 white spirit
in addition with "when this creature leaves the battlefield return the exiled card to your
graveyard."