Bifford, Fastidious Alchemist

When Bifford, Fastidious Alchemist enters the battlefield, choose one:
•Gain control of target artifact or enchantment.
•Destroy target creature with converted mana
cost {3} or less.
{t}: Add {2} of any one color mana.
{2}{w},{t}: Target player gains 6 life.
"Alchemy is equal parts business, science and art."