Loyal Sentry

When this creature blocks a creature, destroy that creature and this creature.

The List

Masters 25

When Loyal Sentry blocks a creature, destroy that creature and Loyal Sentry.

"My cause is simple: To stop you, at any cost, from ever seeing the inside of this keep."

Duel Decks: Elspeth vs. Tezzeret

Tenth Edition

Starter 1999

When Loyal Sentry blocks, destroy it and the creature it blocks. (Destroy both creatures before dealing damage.)

Loyal Sentry and the creature it blocks are destroyed before combat damage is dealt. The blocked creature is destroyed even if Loyal Sentry leaves the battlefield before its triggered ability resolves.