Cap Your Wincon

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Click here for my EDH Commander decks
 
This deck runs a lot of "Jester's Cap" type effects.
Top card of library revealed / Look at top of opponent's library (to know when to exile the top card with my general)
Buyback spells and cards that return to hand (for general)
This is a fun deck to play, and is pretty good against combo decks that tutor for their win conditions.
 
Mana Acceleration (11): General (1): Spells (28): Sideboard (Omitted/Cut card ideas):
1 Burnished Hart 1 Circu, Dimir Lobotomist 1 Crumbling Sanctuary 1 Earwig Squad
1 Caged Sun   1 Helm of the Host 1 Commit // Memory
1 Dimir Signet Creatures (25): 1 Jester's Cap 1 Mirari
1 Dreamstone Hedron 1 Oblivion Sower 1 Lantern of Insight 1 Yawgmoth's Will
1 Gilded Lotus 1 Ulamog, the Ceaseless Hunger 1 Ornate Kanzashi 1 Archaeomancer
1 Hedron Archive 1 Cavern Harpy 1 Pyxis of Pandemonium 1 Snapcaster Mage
1 Mind Stone 1 Fathom Feeder 1 Wand of Denial 1 Supreme Inquisitor
1 Thran Dynamo 1 Nightveil Specter 1 Ashiok, Nightmare Weaver 1 Dimir Machinations
1 Unstable Obelisk 1 Oona, Queen of the Fae 1 Bitter Ordeal 1 Undead Alchemist
1 Vessel of Endless Rest 1 Sire of Stagnation 1 Cranial Extraction  
1 Worn Powerstone 1 Gonti, Lord of Luxury 1 Dead Man's Chest  
  1 Lord of the Void 1 Infinite Obliteration  
Lands (35): 1 Scrib Nibblers 1 Memoricide  
1 Underground Sea 1 Thoughtpicker Witch 1 Neverending Torment  
1 Watery Grave 1 Dimensional Infiltrator 1 Nightmare Incursion  
1 Sunken Ruins 1 Echo Mage 1 Praetor's Grasp  
1 Drowned Catacomb 1 Grimoire Thief 1 Sadistic Sacrament  
1 Sunken Hollow 1 Knacksaw Clique 1 Stain the Mind  
1 Bojuka Bog 1 Palinchron 1 Capsize  
1 Command Tower 1 Raven Guild Master 1 Denying Wind  
1 Moonring Island 1 Rootwater Mystic 1 Extract  
1 Myriad Landscape 1 Rootwater Thief 1 Jace, Architect of Thought  
1 Nykthos, Shrine to Nyx 1 Sakashima the Impostor 1 Mind's Dilation  
1 Rogue's Passage 1 Scalpelexis 1 Mystic Speculation  
1 Scavenger Grounds 1 Shrieking Drake 1 Psychic Surgery  
1 Thawing Glaciers 1 Stitcher Geralf 1 Shimmering Wings  
10 Swamp 1 Thada Adel, Acquisitor 1 Stolen Goods  
11 Island 1 Ulamog's Reclaimer 1 Whispers of the Muse  
1 Sol Ring