Spreading Algae 
Enchantment — Aura
Enchant Swamp When enchanted land becomes tapped, destroy it. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL