Chelonia, Wandering-Star

Reach, vigilance, haste
When Chelonia, Wandering-Star attacks, create
a 1/2 Hatchling creature token with "When this
creature dies you may search your library for
a basic land, put it onto the battlefield tapped,
then shuffle your library".
{t}: Add {u}{g}.
"Houston, Tranquillity Base here. The turtle has
landed."-Neil Armstrong