Toshiro Umezawa turns a dense suite of instant-speed removal into a recursive engine, recasting kill spells from the graveyard each time an opponent's creature dies to generate massive card advantage and board control. The deck leverages heavy Swamp synergies — including mana doublers and life-payment reducers like K'rrik, Son of Yawgmoth — to fuel expensive X-spell finishers such as Exsanguinate and Torment of Hailfire that drain opponents out of the game. Supporting engines like Necropotence and Bolas's Citadel provide the card access needed to maintain a full hand of instants, keeping Toshiro's ability firing repeatedly throughout each turn cycle.

Toshiro Umezawa decklist

• Bitter Triumph
• Black Market Connections
• Black Sun's Twilight
• Blot Out
• Bolas's Citadel
• Boseiju, Who Shelters All
• Bubbling Muck
• Cabal Coffers
• Cabal Ritual
• Cabal Stronghold
• Consuming Corruption
• Crypt Ghast
• Crypt Incursion
• Dark Confidant
• Dark Ritual
• Darkness
• Deadly Rollick
• Defile
• Detection Tower
• Dismember
• Dread Presence
• Entomb
• Erebos's Intervention
• Expedition Map
• Exsanguinate
• Fandaniel, Telophoroi Ascian
• Fatal Push
• Feed the Swarm
• Flare of Malice
• Force of Despair
• Grim Return
• Hellish Rebuke
• Imp's Mischief
• Jet Medallion
• K'rrik, Son of Yawgmoth
• Liliana's Triumph
• Magus of the Coffers
• Malakir Rebirth
• Malicious Affliction
• Morbid Opportunist
• Necropotence
• Nirkana Revenant
• Pharika's Libation
• Phyrexian Arena
• Professor Onyx
• Ripples of Undeath
• Séance Board
• Sheoldred's Edict
• Shred Memory
• Slaughter Pact
• Snuff Out
• Soul Shatter
• Spoils of Evil
• Sudden Spoiling
• 32× Swamp
• Teval's Judgment
• The Meathook Massacre
• Throne of Eldraine
• Torment of Hailfire
• Toxic Deluge
• Urborg, Tomb of Yawgmoth
• Vampiric Tutor
• Vona's Hunger
• War Room
• Witch's Cottage
• Withering Boon
• Withering Torment
• Wretched Confluence