Color: White Card Text: Whenever another artifact enters the battlefield under your control , put a +1/+1 counter on Jackknight. If that artifact is a Contraption Jackknight gains lifelink until end of turn. Rarity: R Pow/Tgh: 1/1 Card Type: Artifact Creature - Cyborg Knight Name: Jackknight Finish: Foil Card Number: 11/216 Set Name: Unstable