Liliana of the Veil is best paired with a strategy to make use of all that discard , such as reanimation or delirium, but even if you don't, getting Liliana of the Veil to six loyalty counters isn't very hard to do, and it's devastating to an opponent
Time Vault might be the best combo piece in the game, going infinite with the kitchen sink
The new Share feature will let you gift cards of certain rarities to friends, limited to one per day
This allowed him to get through much of the time and fuel his tree throwing
If gaming pulls some evil out of you, and you like to show cards to your opponent and then make them discard those cards, then you can put these to good use: Razorkin Needlehead, Smothering Tithe, and Fate Unraveler