Alchemist's Haven

{t}: Add {c}
{r}{g}{t}: Until the end of the turn, whenever one
or more lands enters the battlefield because of
a spell or ability, you may search your library
for a basic land and put it onto the battlefield
tapped.
"Ensir Arbor is renowned for his potions, but his skill
with his purified iron is worlds beyond anything a blacksmith could do."