Keeping track of which "door" is unlocked could be a headache in paper play, though again, it's less of an issue on Arena
Helm of Kaldra The Kaldra equipment cycle is now complete with the introduction of Helm of Kaldra
There are even some simple infinite combos combining Virtuoso's token-making ability with Decoction Modules and additional ways to replicate the effect of that artifact
After Frodo becomes a Scout, the player can pay black mana to turn Frodo into a Rogue who can hear the Ring's temptation many times
Highlights of this set include new faces like Wreck-It Ralph and his pixelated pals from Litwaks Arcade as well as Elsa, Anna, and Olaf fresh from their most recent adventure into the Enchanted Forest.
So much so, that I think they risk hastening power creep by making the cards too competitively costed, and outmoding other options