Texto em português· tradução de outra edição

A criatura alvo que você controla causa dano igual ao seu poder a outra criatura alvo.

Rulings

As Fall of the Hammer tries to resolve, if only one of the targets is legal, Fall of the Hammer will still resolve but will have no effect: If the first target creature is illegal, it can’t deal damage to anything. If the second target creature is illegal, it can’t be dealt damage.2014-02-01
The amount of damage dealt is based on the first target creature’s power as Fall of the Hammer resolves.2014-02-01