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There are cards in Battle for Baldur's Gate that designate a player as "taking the initiative", which reuses the dungeon mechanic from the Adventures in the Forgotten Realms set, putting the player in a dungeon called the Undercity, allowing them to gain benefits from maintaining the initiative
Sword of Truth and Justice just so happens to have excellent bouses, including a +1/+1 counter and a proliferate on every hit
That aside, the utility of running this in artifact decks is high, especially given it can double up consistency cards like Solemn Simulacrum, Baleful Strix or Mnemonic Sphere, but also solid roleplayers like Sharuum, Angel of the Ruins, or Wurmcoil Engine
While it wont turn anyone into stone, like the snake-haired Medusa of myth, it does have deathtouch - meaning it can kill any creature through one instance of contact
Will we see another instance of Frontier or Tiny Leaders where support quickly dries up and players are left with 60+ new digital cards and rebalanced staples with nothing meaningful to do with them