Even against decks with few legendary creatures, its just a Plains with upside, which is kind of broken
As for the other types of card you will find in Beyond Boosters, therell be Borderless art cards to be discovered, as well as a set of scene cards that combine to form a larger image
You can leverage this effect in different ways, either stacking all of your available keywords onto Kathril itself to create a hard-to-stop commander damage machine, or distributing them across your board to force your opponents into headache-inducing combat math
Translated to MTG, and it can be relatively chumped somewhat safely, but it will never die in battle that way, at least not on its owner's turn
Meanwhile, Up The Beanstalk was deemed too efficient a card-draw option, and it doesn't help that players don't have to pay 5 mana when they're using the Evoke elementals (at least Fury is gone now)
Orochi Colony Plane Kamigawa Whenever a creature you control deals combat damage to a player, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library