Startling Development (Foil) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada.

• Rarity: Common
• Finish: Foil
• Artist: Simon Dominic
• Card Text:
  Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4.
  Cycling 1 (1, Discard this card: Draw a card.)