This is a great option for players who are looking to find specific creatures
And that reason is, MTG Arena is about to get some good lookin' features in the March update
309.6: If a players venture marker is on the bottommost room of a dungeon card, and that dungeon card isnt the source of a room ability that has triggered but not yet left the stack, the dungeon cards owner removes it from the game
This could also include 1 of the 37 extended-art rares (29.6%) or 9 extended-art mythic rares (3.6%)
It doesn't gain keyword abilities (unless those keyword abilities are activated), triggered abilities, or static abilities
That meant my son would have a distinct advantage over Garfield, as he could fill his personal deck with some of the games most fearsome creatures and fiendish enchantments, including ones found in Magics first two expansion sets, Arabian Nights and Antiquities