You've gained a life, cast a creature, had a creature enter and leave, and have another energy ready to go again
Interestingly, not many of my initial designs made it all the way through unmodified, but there are a few cards that are amalgams of pieces of some of those designs
They're equally satisfied by an artifact you sacrificed to pay a cost, a creature you controlled that was destroyed by Cast Down, or an enchantment you returned to your hand with Cyclonic Rift
Harmonize allows you to cast a card from your graveyard by paying its harmonize cost rather than paying its mana cost
Maybe I'm not searching deep enough, but when I look at Chandra, Roaring Flame I can only see two cards, both associated with her +1 ability
Dakkon, Shadow Slayer The beautiful Dakkon, Shadow Slayer is a 3-mana planeswalker that hits the field with loyalty counters equal to the number of lands you have in play