Whenever a face-down creature enters the battlefield under your control, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library. Whenever a permanent you control is turned face up, if it's a creature, it gets +2/+2 until end of turn.
Color: Green
Rarity: R
Cost: 1G
Card Type: Enchantment
Artist: Raymond Swanland
Name: Trail of Mystery
Finish: Regular
Card Number: 154/269
Set Name: Khans of Tarkir
Whenever a face-down creature enters the battlefield under your control, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library. Whenever a permanent you control is turned face up, if it's a creature, it gets +2/+2 until end of turn.