When Rank Officer enters the battlefield, you may discard a card. If you do, create a 2/2 black Zombie creature token.
{1}{B}, {T}, Exile a creature card from your graveyard: Each opponent loses 2 life.
In a Two-Headed Giant game, Rank Officer’s last ability causes the opposing team to lose 4 life
While resolving Rank Officer’s triggered ability, you can’t discard multiple cards to create multiple Zombie tokens.