Sigil of the New Dawn 
Enchantment
Whenever a creature is put into your graveyard from the battlefield, you may pay 
. If you do, return that card to your hand.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL