Silence [Secret Lair Drop Series] Cat Nightmare Beast Once per Turn Action --

Once per Turn Action -- (2 - Resource): Attack When Themis Attack s

This explains why the goblins remain unaffected

Set: Secret Lair Drop Series Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U}{B}{R} Your maximum hand size is eleven

Set: Modern Masters Type: Legendary Creature — Goblin Shaman Rarity: Mythic Cost: {2}{R}{R}{R} Haste

Set: Limited Edition Alpha Type: Creature — Goblin Warrior Rarity: Uncommon Cost: {R} {R}: Goblin Balloon Brigade gains flying until end of turn

Silence [Secret Lair Drop Series] Cat Nightmare Beast Once per Turn Action --Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {W} Your opponents can't cast spells this turn. "No more rhymes now, I mean it." Vizzini