Hunting Cheetah

Creature — Cheetah    (CMC:3)

Whenever Hunting Cheetah deals damage to an opponent, you may search your library for a Forest card, reveal that card, put it into your hand, then shuffle your library.

124 ME3 • ENFang Yue

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Legal in: Legacy,Vintage,Commander

Oracle Text (click to copy):

10/4/2004
Because the "search" requires you to find a card with certain characteristics, you don't have to find the card if you don't want to.
10/1/2009
Hunting Cheetah's ability allows you to search your library for any card with the land type Forest, not just a card with the name Forest.