If your deck plays to the board, this blue instant functions as a combat trick by producing a surprise blocker
There are 76 total rulebook cards: 10 commons, 34 uncommons, 25 rares, and 7 mythic rares
For 4 mana, it takes out a creature with 5 damage, and then it punishes that creatures controller with even more damage based on how many equipment you have
He can get you a decent amount of lore in combination with other cards, but on his own, he's just okay and won't see much use in his ability

45 Archenemy Schemes 5 Promo DCI Schemes 20 Archenemy: Nicol Bolas Schemes 32 Duskmourn: House of Horror Commander Schemes Gallery and List of Scheme Cards A Display of My Dark Power All in Good Time All Shall Smolder in My Wake Approach My Molten Realm A Premonition of Your Demise A Reckoning Approaches Because I Have Willed It Behold My Grandeur Behold the Power of Destruction Bow to My Command Chaos Is My Plaything Choose Your Champion Choose Your Demise Dance, Pathetic Marionette Dark Wings Bring Your Downfall Delight in the Hunt Drench the Soil in Their Blood Embrace My Diabolical Vision Every Dream a Nightmare Every Hope Shall Vanish Every Last Vestige Shall Rot Evil Comes to Fruition Fear My Authority Feed the Machine For Each of You, a Gift I Am Duskmourn I Am Never Alone I Am Untouchable I Bask in Your Silent Awe I Call for Slaughter I Call on the Ancient Magics I Delight in Your Convulsions Ignite the Cloneforge

Psychic Frog, Key to the City, Harnfel, Horn of Bounty, Ultimate Green Goblin, and Chainer, Nightmare Adept round out the ways to discard, but there are certainly more every set