Rite of Harmony 
Instant
Whenever a creature or enchantment you control enters this turn, draw a card.
Flashback 
(You may cast this card from your graveyard for its flashback cost. Then exile it.)
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL