Then, Dreadmaws Ate [Unknown Event] Scars of Mirrodin Promos {T}: Hobgoblin Bandit Lord deals

{T}: Hobgoblin Bandit Lord deals damage equal to the number of Goblins that entered the battlefield under your control this turn to any target

If you search your library this way

Inventors Type: Creature — Goblin Artificer Rarity: Mythic Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

even a mountain would break

Set: Tempest Type: Enchantment Rarity: Rare Cost: {2}{G}{G} Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash

Then, Dreadmaws Ate [Unknown Event] Scars of Mirrodin Promos {T}: Hobgoblin Bandit Lord dealsSet: Unknown Event Type: Sorcery Rarity: Common Cost: {X}{4}{G}{G} Create X 6 6 green Dinosaur creature tokens with trample named Colossal Dreadmaw.