Hired Claw

Creature — Lizard Mercenary

Whenever you attack with one or more Lizards, this creature deals 1 damage to target opponent.

: Put a +1/+1 counter on this creature. Activate only if an opponent lost life this turn and only once each turn.

Hired Claw’s activated ability cares whether an opponent lost life this turn, not how their life total changed. For example, an opponent who gained 2 life and lost 1 life in the same turn still lost life.