The value of X is calculated only once, as Lydia Frye's last ability resolves
Ten luck counters is all it takes to win the game outright
As all twelve of these cards can't be found in Draft Boosters, we could design them without having to worry about disrupting a great draft experience
Shard of the NightbringerShard of the Nightbringer having a cast trigger is a real disappointment with no way to get it back to hand, and Trazyn the InfiniteTrazyn the Infinite and Convergence of DominionConvergence of Dominion don't really do much in the deck
First, when played, this enchantment requires the player to draw two cards (ie, turn pages in their library) and discard a card (ie, prioritize the information they wish to retain)
I would recommend removing this