Magic has many cheap equipment that offer flying, but this stands out above options like Cliffhaven Kitesail due to the loot
The same is likely true of Giden Blackblade, too
If you won five flips this way, you may cast spells from your hand this turn without paying their mana costs
At best, it belongs in a blink deck that can use keyword counters somehow
The 12-Post and Tron decks that Kozilek, the Great Distortion slots into naturally have a pretty good converted mana cost spread for its discard to counter ability
If you already know how to play, this on-rails style of play might feel a little tedious, but what struck me as I took my budding MTG enthusiast through the motions was how much better at explaining things these booklets were than I