Goblin Engineer [Secret Lair: Heads I Win, Tails You Lose] Plains Island Set: Aquapolis Type: Grass Rarity:

Set: Aquapolis Type: Grass Rarity: Common Retreat cost: Colorless

Set: Gym Challenge Unlimited Type: Lightning Rarity: Rare Retreat cost: Colorless

or 1 card that mentions "Infernoble Knight Emperor Charles"

Set: Speed Duel: Battle City Box Card type: Normal Spell Rarity: Secret Rare Target 1 face-down monster on the field

ensuring that Upper City residents aren't bothered by the messier parts of nature

Goblin Engineer [Secret Lair: Heads I Win, Tails You Lose] Plains Island Set: Aquapolis Type: Grass Rarity:Set: Secret Lair: Heads I Win, Tails You Lose Type: Creature Goblin Artificer Rarity: Rare Cost: {1}{R} When Goblin Engineer enters the battlefield, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.