Gabriel, Vampiric Rogue

Bite-{1}{w}{b}: Gabriel, Vampiric Rogue deals
2 damage to target creature and you gain 2
life.
Sneak Attack-{3}{p/b}{p/b}: Until end of turn, if Gabriel, Vampiric Rogue would deal
damage to any target, it deals three times
that much damage instead. Activate this ability only once per turn.