Courser of Kruphix
Enchantment Creature - Centaur | Power/Toughness: 2 / 4 (CMC 3)
Play with the top card of your library revealed.
You may play lands from the top of your library.
Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.
- [CMM] Commander Masters #888 (R)