Arcum's Weathervane 
Artifact
, 
: Target snow land is no longer snow.
, : Target nonsnow basic land becomes snow.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact
, : Target snow land is no longer snow.
, : Target nonsnow basic land becomes snow.