Granted Powers: You gain the smite power, the supernatural ability to make a single melee attack with a +4 bonus on attack rolls and a bonus on damage rolls equal to your cleric level (if you hit). You must declare the smite before making the attack. This ability is usable once per day.
Source: Player's Handbook v3.5, pg. 186
Destruction Domain Spells
1 Inflict Light Wounds: Touch attack, 1d8 damage +1/level (max +5).
2 Shatter: Sonic vibration damages objects or crystalline creatures.
3 Contagion: Infects subject with chosen disease.
4 Inflict Critical Wounds: Touch attack, 4d8 damage +1/level (max +20).
5 Inflict Light Wounds: Deals 1d8 damage +1/level to any creatures.
6 Harm: Deals 10 points/level damage to target.
7 Disintegrate: Makes one creature or object vanish.
8 Earthquake: Intense tremor shakes 5-ft./level radius.
9 Implosion: Kills one creature/round.