Its not overly difficult to untap and spend three mana during your first main phase after your opponents have dedicated all of their best creatures to swinging at other players, which means that Split Up is likely to be an instant classic of the board wipe genre
They cant be challenged You play actions and songs immediately by paying their ink cost, then discard them You can sing a song for free by exerting a character with dried ink that meets the song text ink cost At the start of your turn you ready all of your ink, characters, and items The first player to gain 20 Lore wins immediately
Depending on your opening hand, you could be generating Treasure as early as turn 2 or 3 by attacking with it
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Discard already suffers from doing nothing on an empty hand, the fact that Duress can still do little on a full hand means you have to be quite careful how you build with Duress and where