Goblin Engineer [Secret Lair: Heads I Win, Tails You Lose] War of the Spark Prerelease Promos merfolk are a threat

merfolk are a threat

if Ichorid is in your graveyard

Whenever a creature becomes the target of a spell or ability

Gaea's Revenge can't be the target of nongreen spells or abilities from nongreen sources

Goblin Engineer [Secret Lair: Heads I Win, Tails You Lose] War of the Spark Prerelease Promos merfolk are a threatSet: 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.