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 - $15.40
Lightly Played - $12.30
Moderately Played - $10.80
Heavily Played - $9.20
Damaged - $7.70
Near Mint Spanish - $15.40
Lightly Played Spanish - $12.30
Moderately Played Spanish - $10.80
Heavily Played Spanish - $9.20
Damaged Spanish - $7.70