(It's an artifact with ", , Sacrifice this token: You gain 3 life.") : Until end of turn, target noncreature artifact you control becomes a 4/4 artifact creature
Deathtouch makes players unwilling to block it with their most important game pieces, and they need effective removal or cards like Angel of Jubilation or Karn's Sylex to shut it down
Note that every time you pay 1 life, Lim-Dl's Vault lets you put the 5-card batch on the bottom of your library and look at the next five cards
Moreover, this helps on top of the other strategies to help players get more cards, experience, and resources, all the while ensuring players are using some of the many functions available on the app
This can keep your opponents from getting their strategy off of the ground, especially if they plan to go wide with a lot of small creatures like Elves, Goblins, or Squirrels