Heres that U/B Control deck from PT Dragons of Tarkir : Planeswalkers (5) Lands (27) Spells (28) This deck was an absolute labor of love, and it would be a deck I would pilot again and again in tournament after tournament, in many, many different configurations
Or, it could be an ongoing scheme, in which case it remains on the field until an ability causes you to abandon it
While we haven't seen any truly standout performances in Modern Challenges on MTGO just yet, the deck has performed excellently in Modern Leagues, with many players piloting Living End to a 5-0
By the time you can cast this, games are essentially over
All with its single ability
Direct damage, multiple targets Friendly to creatures Friendly to lands Increasing counters and/or tokens Playing cards off the top of your library, paying their mana cost (You may look at the top card of your library and if it's a [blah] you may play it.) Putting artifacts from hand onto the battlefield Return target creature from graveyard to hand