Fountain of youth

when a Fountain of youth enters the battlefield,
search in your library for 2 islands or 1 other
basic land, then place it/those in the battlefield
tapped
{1}{u}{t}: all Fountain of youth gain partner
{2}{t}: if an creature dies this turn tap all you
untapped islands and return that creature it your
hand instead
{u}{u}{u}: untap target artifact