Barius the baker

When Barius the baker enters the
battlefield, target opponent must
sacrifice a creature
{t}Add {w}{w}{r}{r}
Pay {w}{w}{w}{w}{w}{w}{w}{w}{w}{w}{r}{r}{r}{r}{r}{r}{r}{r}{r}{r}
Barius the baker gets +5/+7 and gains trample
until end of turn