you might want to have Fuecoco and Skeledirge in your hand, Oricorio, Radiant Greninja, or Bibarel in the bench, and some Rare Candy
But Wizards said that the decision to double the cost for crafting historic cards was couched as part of [f]inding a balance for the long-term health of MTG Arena. Executive Producer Chris Cao said that MTG Arena was Standard-focused and that the reason why Historic cards would cost two Wildcards to craft was in order to maintain the games focus on Standard and preserve the health of the game. He explained that Wizards did not want to fragment the player base with too many play options and risk diluting the Standard queues
Unagi's Spray checks if you control a Fish, Octopus, Otter, Seal, Serpent, or Whale when it resolves, not when it is cast
Commanders that have evasion, ward, draw multiple cards, and can make multiple tokens are top-notch, so this Esper commander should be considered as such