Chaos Trap Hole, as the name might imply, shuts down Chaos strategies (decks that want to banish Light and Dark Monsters)
Its not as important as the outer sleeves were mostly going to talk about here, but cats and drinks sometimes happen, and theyll help limit the damage
You also have Gatebreaker Rams chilling in the sideboard, ready to come in after your opponents side out all their spot removal when they realize you have no creatures worth killing
a prism and a non-prism
Upon the Shadow's appearance, Hiroko faints from shock and the party gives chase, eventually ending up in the water resovoir, where they investigate the broken egg of the Great Guardian, which they identify as having been hatched from Aegiomon
This doesn't seem wholly sufficient to explain the spike, otherwise why didn't it pop off during Bloomburrow, which brought in a popular new bird commander Kastral, the Windcrested