You get that energy through attacking with your creatures, and luckily its not one or more so shouting around with a swarm of myr or Eldrazi spawn can get you where you need to go
Kalonian Hydra and Archangel of Thune are good examples of this they really arent even played in Standard and yet they are $20 mythics
With Zinnia in play and paying the offspring cost, that would be four cards for five mana - a pretty good deal even in a format as powerful as Commander
Adventures in the Forgotten Realms Set Boosters contain: At least 1 rare or mythic rare card (approximately 27% of Set Boosters contain 2 rares or mythic rares, 3% contain 3, and it's even possible to open 4 though that's less than 1% of the time.) 1 Traditional foil card of any rarity 1 Rulebook, module, or borderless common or uncommoncheck out the Collecting Adventures in the Forgotten Realms article for details
If the creature loses flying before Shadow Puppeteers's last ability resolves, the creature will still become a red Dragon with base power and toughness 4/4 in addition to its other colors and types until end of turn
