Response
{R/W}{R/W}Instant
Response deals 5 damage to target attacking or blocking creature.

Instant // Sorcery
Instant
Response deals 5 damage to target attacking or blocking creature.
Sorcery
Creatures you control gain first strike and vigilance until end of turn. After this main phase, there is an additional combat phase followed by an additional main phase.
This card has a static ability that applies continuously as long as it's on the battlefield. There's no trigger or activation — the effect just exists. Removing the permanent is the only way to stop it.