These decks utilize the combination of Cauldron Familiar and Witch’s Oven to great effect. They are often paired with Mayhem Devil and/or Trail of Crumbs to great effect.

Boyan Bosschem
Winner Leaderboard 5
BRG Food

Maindeck (60)
Swamp
Forest
Mountain
Rugged Highland
Bloodfell Cliffs
Jungle Hollow
Evolving Wilds
Cauldron Familiar
Sanitorium Skeleton
Mayhem Devil
Fierce Witchstalker
God-Eternal Bontu
Korvold, Fae-cursed King
Spark Harvest
Witch’s Oven
Heartfire
Scorching Dragonfire
Trail of Crumbs
Vraska, Golgari Queen
Liliana, Dreadhorde General
Sideboard (15)
Return to Nature
Dead Revels
Duress
Ob Nixilis’ Cruelty
Audacious Thief
Heartfire
Scorching Dragonfire

Ian Ide
Winner Leaderboard 3
Rakdos Sacrifice

Main Deck (60)
Evolving Wilds
Bloodfall Caves
Mountain
14 Swamp
Cauldron Familiar
Footlight Fiend
Priest of Forgotten Gods
Ayara, First of Locthwain
Mayhem devils
Rankle, Master of Pranks
Cavalier of Night
Syr Konrad, the Grim
Claim the Firstborn
Witch’s Oven
Duress
Shock
Spark Harvest
Heartfire
Thrill of Possibilities
Act of Treason
Dead Revels
Sideboard (13)
Duress
Act of Treason
Scorching Dragonfire
Cosmotronic Wave
Foreboding Fruit
Forever Young
Bake into a Pie
Heartfire

Jelle Lauwers
4-0 Magic Arena Leaderboard
BR Oven Cat

Main deck (59)
swamp
mountain
bloodfell caves
rakdos guildgate
evolving wilds
cauldron familiar
Spark harvest
grim initiate
footlight fiend
lazotep reaver
witch’s oven
heartfire
ayara, first of locthwain
midnight reaper
act of treason
light up the stage
tibalt rakish instigator
dead revels
mayhem devil
theater of horrors
god-eternal bontu

sideboard (15)
duress
foreboding fruit
mind rot
act of treason
dead revels
ill- gotten inheritance
blade juggler