Then exile this spell.) "Harmonize [cost]" means "You may cast this card from your graveyard by paying [cost] and tapping up to one untapped creature you control rather than paying the spell's mana cost," "If you cast this spell using its harmonize ability, its total cost is reduced by an amount of generic mana equal to the tapped creature's power," and "If the harmonize cost was paid, exile this card instead of putting it anywhere else any time it would leave the stack." Tapping a creature won't reduce colored mana components of harmonize costs
Thrilling Discovery Discarding low value or ineffective cards to draw new cards is a way to play your curve well in Boros
That's pretty oppressive, and we aren't even to the abilities yet
Expect Mickey Mouse, Snowboard Ace, to bump shoulders with Jiminy Cricket, Willie the Giant, and Lonely Resting Place pulling double duty as the Ghosts of Christmas Past, Present, and Future
Body The power and toughness of a creature