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 - $37.70
Near Mint Non-English - $37.70
Lightly Played - $34.00
Lightly Played Non-English - $34.00
Played - $26.40
Played Non-English - $26.40
Heavily Played - $22.70
Heavily Played Non-English - $22.70
Damaged - $18.90
Damaged Non-English - $18.90