Fishliver Oil (9ED) from Ninth Edition, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Ralph Horsley
• Card Text:
  Enchant creature (Target a creature as you play this. This card comes into play attached to that creature.)
  Enchanted creature has islandwalk. (This creature is unblockable as long as defending player controls an Island.)