All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp."
All Slivers have "{B}: Regenerate this permanent." (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)
Near Mint - $300
Lightly Played - $300
Moderately Played - $300
Heavily Played - $200
Damaged - $200
Near Mint Spanish - $300
Lightly Played Spanish - $300
Moderately Played Spanish - $300
Heavily Played Spanish - $200
Damaged Spanish - $200
Foil Prices
Near Mint Foil - $1.000
Lightly Played Foil - $800
Moderately Played Foil - $700
Heavily Played Foil - $600
Damaged Foil - $500
Near Mint Foil Spanish - $1.000
Lightly Played Foil Spanish - $800
Moderately Played Foil Spanish - $700
Heavily Played Foil Spanish - $600
Damaged Foil Spanish - $500