Faca de Arremesso

Text:

A criatura equipada recebe +2/+0.Toda vez que a criatura equipada ataca, você pode sacrificar Faca de Arremesso. Se fizer isso, Faca de Arremesso causará 2 pontos de dano à criatura ou ao jogador alvo.Equipar (: Anexe à criatura alvo que você controla. Equipe somente como um feitiço.)

Rulings:

• 6/22/2015 Throwing Knife’s triggered ability triggers before blockers are declared. If you use the ability and destroy the targeted creature with lethal damage, it won’t be on the battlefield to block.
• 6/22/2015 Throwing Knife is the source of the damage dealt because of its triggered ability. For example, you could sacrifice Throwing Knife to deal 2 damage to a creature with protection from red, even if Throwing Knife is equipped to a red creature.