Your search for "Cubwarden 279" revealed the following:
Klingon Warrior (005) // Treasure Token (Foil) (TTRK) from Star Trek, available at 401 Games Canada. Rarity: Token Finish: Foil Artist: Henry Peters & David Frasheski Card Text:Klingon Warrior: HasteTreasure: {T}, Sacrifice this token: Add one mana of any color....
Cubwarden - Showcase (Foil) (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Denis Medri Card Text:Mutate 2WWLifelinkWhenever this creature mutates, create two 1/1 white Cat creature tokens with lifelink.
Cubwarden - Showcase (IKO) from Ikoria: Lair of Behemoths, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Denis Medri Card Text:Mutate 2WWLifelinkWhenever this creature mutates, create two 1/1 white Cat creature tokens with lifelink.