Buttercup, Provincial Princess gets +1/+1 for each color among other legendary permanents you control.
WUBRG: Search your library for a legendary permanent card with mana value less than Buttercup's power, put that card onto the battlefield, then shuffle.
Near Mint - $21.70
Lightly Played - $17.30
Moderately Played - $15.20
Heavily Played - $13.00
Damaged - $10.90
Near Mint Spanish - $21.70
Lightly Played Spanish - $17.30
Moderately Played Spanish - $15.20
Heavily Played Spanish - $13.00
Damaged Spanish - $10.90
Foil Prices
Near Mint Foil - $29.70
Lightly Played Foil - $23.80
Moderately Played Foil - $20.80
Heavily Played Foil - $17.90
Damaged Foil - $14.90
Near Mint Foil Spanish - $29.70
Lightly Played Foil Spanish - $23.80
Moderately Played Foil Spanish - $20.80
Heavily Played Foil Spanish - $17.90
Damaged Foil Spanish - $14.90