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My only concern would be that Nostrix wouldn't have many viable targets. There is so much removal right now in the meta. Icaria is a 1/1 until way later into the game, Kothon is a 2/3, Hooru Pacifier is tough and so is Shelterwing Rider, but if you don't draw those (or they get removed), Nostrix is a dead card. The Hooru deck I run has 12 more low-cost Nostrix targets than yours does and I commonly experience them all being removed before I can play her. https://eternalwarcry.com/decks/details/siLoI5BQQn8/hooru-unseen