Argothian Uprooting is a rare Sorcery card from Alchemy: The Brothers' War (YBRO), collector number 12.
Put two +1/+1 counters on each of X target lands you control. They each become 0/0 Elemental creatures with reach, haste, and "When this creature leaves the battlefield, conjure a card named Forest onto the battlefield tapped." They're still lands.