Every distinct wording since 2010, newest first.
June 6, 2025 · Final Fantasy
Assemble is a keyword action in the Unstable set that puts Contraptions onto the battlefield. Outside of silver-bordered cards, only one card (Steamflogger Boss) refers to assembling a Contraption. Cards and mechanics from the Unstable set aren’t included in these rules. See the Unstable FAQ for more information.
April 22, 2021 · Strixhaven
“Learn” means “You may discard a card. If you do, draw a card. If you didn’t discard a card, you may reveal a Lesson card you own from outside the game and put it into your hand.”