It uses the seek mechanic and lets you see a bunch of cards while stripping away your hand size requirements until the end of the game
Retreat to Coralhelm, Sakura-Tribe Scout, and a bounce land like Simic Growth Chamber establish a strong loop to get infinite landfall triggers, and thats just the simplest combo to come to mind
And bounce + drawing a card
If tails, this attack does 20 damage
If youre evoking Solitude most of the time, then its a lot less powerful than the other removal options in the format like Swords to Plowshares and Prismatic Ending
As someone who used to buy every single available precon every year, I've been studying precons closely for a long time, and I can safely say that this might be the single best first impression I've ever gotten from looking at a decklist