Plunder the Catacombs

Whenever one or more nontoken creatures you
control attacks, discard that many cards, then
draw that many cards. Create that many colorless Treasure artifact token with "{t}, Sacrifice this artifact: Add one mana of any color."
At the beginning of your end step, sacrifice a
creature. You lose 5 life.
Only curses are more abundant than gold in the
Legion's unhallowed tombs.