Obelisk Spider

Obelisk Spider

Creature - Spider | Power/Toughness: 1 / 4 (CMC 3)
Reach
Whenever Obelisk Spider deals combat damage to a creature, put a -1/-1 counter on that creature.
Whenever you put one or more -1/-1 counters on a creature, each opponent loses 1 life and you gain 1 life.