Spark Double [Secret Lair: Heads I Win, Tails You Lose] Legacy Restless Riveteers can always find

Restless Riveteers can always find a sparring partner in the sprawling Treza warehouse

Set: Tenth Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target permanent by replacing all instances of one color word with another or one basic land type with another

Set: Unknown Event Type: Sorcery Rarity: Common Cost: {6} Create a token that's a copy chosen at random of either Elesh Norn

That description is still mostly accurate

Spark Double [Secret Lair: Heads I Win, Tails You Lose] Legacy Restless Riveteers can always findSet: Secret Lair: Heads I Win, Tails You Lose Type: Creature Illusion Rarity: Rare Cost: {3}{U} You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1 +1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary if that permanent is legendary.