Emissary of the North

{5}: Target player chooses one—tap all creatures
that player controls, or reveal that player's hand
and that player lose 3 Life, or you gain 3 Life and
untap up to three lands.
{u}{t}: Remove one sentence of game text from a creature you control and apply it to another
creature you control until end of turn.
Don't be fooled by her good looks and verbal skill.