Druid of the Emerald Grove

When Druid of the Emerald Grove enters the battlefield, search your library for up to two basic lands cards and reveal them, then roll a d20.
1-9 | Put those cards into your hand, then shuffle.
10-19 | Put one of those cards onto the battlefield tapped and the other into your hand, then shuffle.
20 | Put those cards onto the battlefield tapped, then shuffle.