Kaldheim was so kind to give us all 10 Snow-Dual Lands and made them Fetchable
When this creature transforms into Princess Luna, choose up to six cards you own from outside the game with a moon in their art, then exile those cards
The fit is tight when double sleeving, and sometimes you have to force the cards a bit to get them in
With the two-card combo that features the land Faceless Haven and The Book of Exalted Deeds, opponents can be locked out of any game-winning strategy without land destruction
The One Ring's bearer becomes more difficult to block with pseudo-skulk, for example, and destroying blockers and looting extra cards will definitely add up over time
Furthermore, you can make sure the creature you stole is tapped too, so it gets killed by Chapter III as well