This is an Orzhov Vampire tribal aristocrats deck. It goes wide with Vampire bodies and tokens, pumps them with lords and +1/+1 counters, and attacks every turn. Clavileño turns an attacking Vampire into a Demon each combat, so that creature replaces itself with a card and a 4/3 flier when it dies. A dense sacrifice-outlet and death-trigger package then converts every creature dying into drain, cards and counters, with lifegain-to-damage enchantments amplifying the bleed. How it wins: It chips opponents out through repeated wide Vampire attacks backed by lords. It also drains them through stacked death triggers and lifegain-to-life-loss loops such as Sanguine Bond plus Exquisite Blood. Key roles: - Demon-blessed attackers: Clavileño marks an attacker each combat so trading or sacrificing it yields a card and a flying token, while attack triggers add more bodies and value (Mavren Fein, Dusk Apostle, Preacher of the Schism, Pulse Tracker). - Token generation and doubling: Repeatable Vampire token makers widen the board, and doubling or token-enter payoffs multiply the output (Elspeth, Storm Slayer, Bloodline Keeper, Edgar, Charmed Groom). - Vampire anthems and counters: Lords and counter-spreaders make the wide board lethal and grow it further whenever creatures die (Legion Lieutenant, Cordial Vampire, Captivating Vampire). - Sacrifice outlets: Free and cheap sac outlets turn the tokens and Demon-marked Vampires into fodder for value and protection (Viscera Seer, Vampiric Rites, Bartolomé del Presidio). - Death-trigger drain: Aristocrat payoffs punish every death, and Teysa Karlov doubles those triggers (Blood Artist, Vein Ripper, Teysa Karlov). - Lifegain-to-damage loop: Lifelink tokens and drain feed enchantments and creatures that convert lifegain into opponent life loss, culminating in an infinite Sanguine Bond and Exquisite Blood combo (Sanguine Bond, Exquisite Blood, Vito, Thorn of the Dusk Rose).

Clavileño, First of the Blessed decklist

• Elspeth, Storm Slayer
• Sorin, Lord of Innistrad
• Anowon, the Ruin Sage
• Baron Bertram Graywater
• Bartolomé del Presidio
• Blood Artist
• Bloodghast
• Bloodline Keeper
• Bloodthirsty Conqueror
• Captivating Vampire
• Carmen, Cruel Skymarcher
• Champion of Dusk
• Charismatic Conqueror
• Cliffhaven Vampire
• Cordial Vampire
• Creeping Bloodsucker
• Crossway Troublemakers
• Cruel Celebrant
• Drana and Linvala
• Drana, Liberator of Malakir
• Dusk Legion Zealot
• Edgar, Charmed Groom
• Elenda's Hierophant
• Elenda, the Dusk Rose
• Forerunner of the Legion
• Indulgent Aristocrat
• Legion Lieutenant
• Markov Baron
• Martyr of Dusk
• Master of Dark Rites
• Mavren Fein, Dusk Apostle
• Patron of the Vein
• Preacher of the Schism
• Pulse Tracker
• Qarsi Revenant
• Rodolf Duskbringer
• Teysa Karlov
• Twilight Prophet
• Vein Ripper
• Viscera Seer
• Vito, Thorn of the Dusk Rose
• Welcoming Vampire
• Yahenni, Undying Partisan
• Arcane Signet
• Fellwar Stone
• Orzhov Signet
• Skullclamp
• Sol Ring
• Swiftfoot Boots
• Flawless Maneuver
• Go for the Throat
• Stroke of Midnight
• Swords to Plowshares
• Utter End
• Vampiric Tutor
• Austere Command
• Damn
• New Blood
• Olivia's Wrath
• Pact of the Serpent
• Victimize
• Etchings of the Chosen
• Exquisite Blood
• Phyrexian Arena
• Sanguine Bond
• Vampiric Rites
• Bleachbone Verge
• Command Tower
• Isolated Chapel
• Marsh Flats
• Myriad Landscape
• Orzhov Basilica
• Path of Ancestry
• 8× Plains
• Scrubland
• Secluded Courtyard
• Shattered Sanctum
• 11× Swamp
• Tainted Field
• Unclaimed Territory
• Vault of Champions
• Vault of the Archangel