Milling half of your opponents deck is certainly going to annoy a lot of people, but its probably little more than flavor text since it wont mill enough cards to make enough of an impact on the game
This works a lot like the recent Digimon Card Games security system, in the way that it can occasionally spring interesting traps on your opponent as youre losing health, often making damage-dealing just as suspenseful for the one dealing damage as the one receiving it
You may find that if you are a hard control player, dont want to play creatures, or prefer combos as your wincon you are out of luck, at least early in the season
Panini, Topps, Fanatics and more
That's an unusual effect for a Boros card, but also a very intriguing one, especially with Impact Tremors effects in play
Officially licensed Pokmon Trading Card Game 9-Pocket Portfolio