It's actually quite a powerful ability, allowing all Islands to produce double mana for a turn, for the cost of a single mana
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
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
Sword of Truth and Justice just so happens to have excellent bouses, including a +1/+1 counter and a proliferate on every hit
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