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.
"Take up the quill, and feel your future flow into the runes."
Near Mint - $0.50
Near Mint Non-English - $0.50
Lightly Played - $0.40
Lightly Played Non-English - $0.40
Played - $0.40
Played Non-English - $0.40
Heavily Played - $0.30
Heavily Played Non-English - $0.30
Damaged - $0.30
Damaged Non-English - $0.30