Ru, Rider of Famine and Plague

Whenever this enters the battlefield after being
cast or attacks, each player chooses 1:
• Lose 4 life.
• Put a -1/-1 counter on all creatures you control,
choose this only if you control at least 1 creature.
Deathtouch
Escape — {b/r}{b/r}, Exile 3 other cards from your graveyard.