Casper, Lord of Doloa

Trample
When Casper, Lord of Doloa enters the battlefield, search your library for a land card,
reveal it and put it into your hand. Then shuffle
your library.
Plore {2}{g}{g}: Put 2 2/2 green warrior tokens on the battlefield. (Target opponent may put 2 2/2 green warrior tokens on the battlefield, if they do, you may activate plore without paying its mana cost.)