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The flip effect of this card can bounce Ophion to the Extra Deck

The healing option is something this list can not do otherwise

Its a Crucible, but its also a Crucible that can go in a deck that already has Crucible AND you can Green Suns Zenith or Wordly Tutor for it

They need to tap into our visual vocabulary to get their points across

The other cards are pretty good, and Eijango is a land that really isnt played enough in Commander

However, the most important part of the card is its ability to add a "Libromancer" spell card from the deck to the hand when it is special summoned so that players can easily Ritual summon the boss monsters of the deck