Rest for the Weary 
Instant
Target player gains 4 life. Landfall — If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL