As Rukarumel, Biologist enters the battlefield, choose a creature type.
Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 1/1 colorless Sliver creature token.
Near Mint - $3.100
Lightly Played - $2.500
Moderately Played - $2.200
Heavily Played - $1.900
Damaged - $1.600
Near Mint Spanish - $3.100
Lightly Played Spanish - $2.500
Moderately Played Spanish - $2.200
Heavily Played Spanish - $1.900
Damaged Spanish - $1.600
Foil Prices
Near Mint Foil - $8.900
Lightly Played Foil - $7.100
Moderately Played Foil - $6.200
Heavily Played Foil - $5.300
Damaged Foil - $4.500
Near Mint Foil Spanish - $8.900
Lightly Played Foil Spanish - $7.100
Moderately Played Foil Spanish - $6.200
Heavily Played Foil Spanish - $5.300
Damaged Foil Spanish - $4.500