Lightwielder Paladin

Oracle Text

First strike (This creature deals combat damage before creatures without first strike.)

Whenever Lightwielder Paladin deals combat damage to a player, you may exile target black or red permanent that player controls.

Card Rulings

10/1/2009 Lands are colorless (even if their frames have some colored elements to them). You can’t target a Swamp, a Mountain, or any other land with Lightwielder Paladin’s ability (unless some other effect has turned that land black or red).