With Tianas ability, Special Reservation, anytime one of your characters is challenged while Tiana is exerted, the challenging character gets -3 strength unless your opponent pays three ink
While this isnt an easy requirement to fulfill (especially without any Eldlich cards), Eldlich the Mad Golden Lord is worth the cost
Having completed the set-up you should have a deck of (at least) 60 cards in front of you, and five cards in your hand
and implementation and evaluation of new clearing systems and evaluation of cross-border margin and credit alternatives
It works really well for, say, Dark Magician Girl the Dragon Knight, but at the same time, there are a lot of combos that this card doesn't get to fulfill due to its Dragon (non-Spellcaster) type - namely, Magical Exemplar combos