Passchendaele

All non-artifact creatures, or unequipped creatures
get -1/-1 as long as this card is on the field.
At the beginning of each player's end-step, that
player loses 2 life.
All creatures that can attack, must attack.
All creatures that can block, must block.
When this card is sent to the graveyard,
each player must sacrifice 2 creatures.
Creatures do not recover damage to
toughness as turns end.