You may choose not to untap Rubinia Soulsinger during your untap step. {T}: Gain control of target creature for as long as you control Rubinia and Rubinia remains tapped.
Near Mint - $16.000
Lightly Played - $12.800
Moderately Played - $11.200
Heavily Played - $9.600
Damaged - $8.000
Near Mint Spanish - $16.000
Lightly Played Spanish - $12.800
Moderately Played Spanish - $11.200
Heavily Played Spanish - $9.600
Damaged Spanish - $8.000