While a card like Treasure Chest has a bad outcome, the majority of cards avoid having negative effects
Snow White, Lost in the Forest will remove up to two damage from a chosen character when she enters play, helping you keep your line-up of Dwarfs (who form a lovely panoramic bit of artwork when their cards are literally placed side-by-side) in play for as long as possible
At the beginning of each players draw step, that player draws an additional card, then discards a card
Card Advantage and Selection We have plenty of card advantage in colorless lands
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Fundamentally, I'm not sure that Eiganjo has an easy home right now, but it's a powerful enough spell/land that it's worth keeping in mind, and it will probably show up in Modern at some point