Peace Offering already has some tools to stop combat damage from getting through, but adding a couple more in Misleading Signpost and Obscuring Haze seems like a good idea
It turns out there are actually only four of them besides Isao, Enlightened Bushi, three of which are clearly Limited cards (Jukai Trainee, Heir of the Ancient Fang, and Jade Avenger)
Im left with a creeping hunch that somewhere in its design history, Shadrix gave you two abilities per turn to your opponents one, which would be not only more viable but open up far more interesting lines
Still, with our Mutagen tokens, we ought to easily get lots of card draw from this 2-mana enchantment
Decks with evasive creatures or extra combat steps can flood the board with nonlegendary copies in just a turn or two
Each 15-card pack includes one white-border card, one playtest card, and one Future Sight frame card which might even be one of 15 exclusively foil cards