Future Sight tokens as cards fixed.
• Fixed sources for Kobolds of Kher Keep token and Llanowar Elves token.
• Fixed sources for Cloud Sprite and Goldmeadow Harrier.
• Fixed text for Assassin.
• Fixed power of Sand Warrior token.
• Added missing Beast (C13) from Spawning Grounds.
• Added missing Snake (C13) from Ophiomancer
• Added missing Wall tokens (MIR) from Tidal Wave and Basalt Golem.
• Added Graveborn fanart from the same source as CSP Wolf token.
• Renamed 'Rukh' token to Bird to follow Oracle changes.
• Removed duplicate Centaur token.
• Removed duplicate Human tokens.
• Removed duplicate Vampire tokens.
Removed blank picURL attributes.