7 cards where the name is exactly “goblin lackey” and the Oracle ID is “213fbbdd-f1bc-4bba-9124-7b26e9a706c8”

Goblin Lackey (Mystery Booster 2 #192)
Goblin Lackey (Secret Lair Drop #1311★)
Goblin Lackey (Secret Lair Drop #1311)
Goblin Lackey (Secret Lair Drop #20)
Goblin Lackey (Vintage Masters #167)
Goblin Lackey (From the Vault: Exiled #5)
Goblin Lackey (Urza's Saga #190)

The message was clear to Sorin—time to search for something else.