Both players always have access to the three dungeons in the game, and can choose to enter one or continue their journey through one whenever the Venture keyword triggers
From the GY (but not the turn it was sent), it can banish itself for cost and target a "Crystron" monster, then send a "Crystron" monster from Deck to GY that differs in level from the one targeted to change its level to that level (hard once per turn)
You cannot currently trade cards of 2-star rarity or higher
Its design is reminiscent of the mythical Loch Ness Monster, complete with a turtle-like shell and serene eyes, which contribute to its enduring appeal
I definitely see this being played in a control deck to make sure you never deck out, and it might be better than Pidgeot V [Lost Origin] because you can use it from the Active Spot or the Bench
How to Obtain Master Pack The Trap in the Wicked Castle