Olive, Wandering Flame

+2: Reveal the top card of your library. If it is a land card, put it on the top of your library. Otherwise, put it on the bottom of your library.
-X: Search your library for a creature card with mana value X or less, then put it onto the battlefield. Shuffle your library.
-7: You get an emblem with "At the beginning of your upkeep, reveal the top card of your library. If it is a creature, put it onto the battlefield."