Khalni Gem 
Artifact
When this artifact enters, return two lands you control to their owner's hand.
: Add two mana of any one color.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact
When this artifact enters, return two lands you control to their owner's hand.
: Add two mana of any one color.