Name:Nature's Rhythm
ManaCost:X G G
Types:Sorcery
A:SP$ ChangeZone | Origin$ Library | Destination$ Battlefield | ChangeType$ Creature.cmcLEX | ChangeNum$ 1 | AIXMax$ Y | StackDescription$ SpellDescription | SpellDescription$ Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.
SVar:X:Count$xPaid
SVar:Y:Count$ValidLibrary Creature.YouOwn+Green+cmcLEX$GreatestCardManaCost
K:Harmonize:X G G G G
Oracle:Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.\nHarmonize {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.)
