Sylvan Safekeeper 
Creature — Human Wizard
Sacrifice a land: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL