Lesser Dragonmark

You have a lesser dragonmark.
Prerequisites: Member of appropriate dragonmarked race and house, Least Dragonmark, 9 ranks in any two skills.
Benefit: You gain a lesser dragonmark and the use of one spell-like ability associated with the lesser dragonmark of your house. In addition, you can use your least dragonmark spell-like ability one additional time per day. A saving throw against one of your dragonmark spelllike abilities has a DC of 10 + the level of the spell + your Cha modifier.
Your caster level for your dragonmark spell-like abilities increases to 6 + your level in the dragonmark heir prestige class (if any).

Source: Eberron Campaign Setting