If you leave the game before your next untap step, it phases in as the next untap step begins after your turn would have begun.
However, when I used them for Ijin-den, because they are +1mm in width and height relative to the card size, they provide a fit similar to a hard sleeve despite being soft sleeves
You can likely guess what fairy tale trope its referencing from the title, but to reinforce the hint it uses a new mechanic, bargain, which gives you a bonus effect if you sacrifice an artefact, token or enchantment
BANDAI BNP/B, N, TX BANDAI BNP/B, N, TX *Images may differ from final product
YouTube videos and social media posts might convince you that every box will get you an amazing haul, but theyre the exception rather than the rule