40- and 48-card Spanish-suited packs on the Iberian peninsula
Where this card will undoubtedly be great, however, is as a Grixis flashback commander
While having to actually deal combat damage to trigger an effect could be a restriction for some creatures, Hellkite Tyrant has both flying and trample, which all but guarantees that its swing gets through to an opponent
Like control decks, midrange decks will gain incremental advantages over the course of the game, but where they differ is that midrange apply pressure to the opponent at all stages of the game, not just towards the end
It uses eon counters, which oft-brewed with but never quite strong enough Magosi, the Waterveil uses
Therefore, I'm now building a deck to play online simply to abuse the f*** out of it