Nature's Rhythm TDM/150

Set: Tarkir: Dragonstorm
Collector Code: TDM/150
Name: Nature's Rhythm
Type: Sorcery
Oracle text: Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle. Harmonize {X}{G}{G}{G}{G} (You may cast this card from your graveyard for its harmonize cost. You may tap a creature you control to reduce that cost by an amount of generic mana equal to its power. Then exile this spell.)
Rarity: Rare