how many packs are in a booster box mtg 7th Edition Opening: $2800 Foil Chase + Bonus Revised Pack their attention must turn to the growing threat in front of them with Phyrexia Booster pack - MTG Wiki

Later during that same main phase, another effect gives you an additional combat phase after this main phase

I expect Get Lost to play a role here as well, especially for control decks to cleanly answer opposing copies of The Wandering Emperor

As I say, there's a lot going on for a fairly high cost, and I struggle to see this card seeing too much play given the setup required to cast it for its Shift cost, especially in Ruby & Steel decks which typically skew far more aggressive

Dragons are usually rare or mythic rare creatures, theyre big and splashy fliers, and theyre total bombs in Limited play and staples in Constructed decks