Even though your opponent may get to replace your target with something even juicier from their deck, this only heightens the enjoyment and suspense the card brings to the table
Deadeye Plunderers: Myr Battlesphere, here we come
One note: because the cards have not yet been put into Gatherer, our card database, new cards will not show up as something you can hover over and they will all be grouped under "Other" instead of "Creature" or "Land" or the like
Cascade Seer had its time in Limited but has no real value outside of the format
The enchantment is a little pricey to recur and keep casting, so bringing it back via Emeria Shepherd or Emeria, the Sky Ruin is likely a better path
Court of Grace grants you the monarchy, and an angel-level density of flying creatures makes keeping the crown a simple enough task