Ring of Immortals 
Artifact
, 
: Counter target instant or Aura spell that targets a permanent you control.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact
, : Counter target instant or Aura spell that targets a permanent you control.