Feral Mark( Dragonmarked, p. 140)
Your dragonmark becomes more jagged and angular. As it grows in power, so do your ties to the animal world.
Any Mark of Handling,
Once per day, you can reroll any one Handle Animal check. The decision to reroll must be made before learning the outcome of the original roll, and you must accept the result of the second roll.
In addition, if you possess the lesser Mark of Handling, you can expend one use of a lesser dragonmark power to grant yourself or a creature you touch a +4 enhancement bonus to Strength and Dexterity for 1 hour.
If you possess a greater Mark of Handling or a Siberys Mark of Handling, you can expend one use of a greater or Siberys dragonmark power to give yourself and all allies within 60 feet a +4 enhancement bonus to Strength and Dexterity for 1 hour.