17 cards where the text includes “forests you control”

Ambush Commander (Duel Decks Anthology: Elves vs. Goblins #1)
Aspect of Wolf (Fifth Edition #278)
Bull Elephant (Visions #101)
Crash Landing (Guildpact #82)
Dauntless Dourbark (Lorwyn #203)
Dungrove Elder (Magic 2012 #171)
Gaea's Liege (Time Spiral Timeshifted #78)
Kalonian Twingrove (Magic 2015 #182)
Mirkwood Channeler (The Lord of the Rings: Tales of Middle-earth #828)
Nessian Game Warden (Journey into Nyx #132)
People of the Woods (The Dark #83)
Staff of Titania (The Brothers' War Commander #27)
Thelonite Druid (Masters Edition II #182)
Timber Protector (Lorwyn #238)
Treefolk Seedlings (Seventh Edition #277)
Uktabi Wildcats (Seventh Edition #278)
Woodland Guidance (Lorwyn #243)

It is the moment of discovery, the triumph of the mind, and the end of these results.