Hullbreaker Horror Combos
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Nexus of Fate
Hullbreaker Horror + Palinchron + Cloud of Faeries
Hullbreaker Horror + Palinchron + Great Whale
Hullbreaker Horror + Palinchron + Peregrine Drake
Hullbreaker Horror + Peregrine Drake + Cloud of Faeries
Hullbreaker Horror + Sol Ring + Everflowing Chalice
Hullbreaker Horror + Sol Ring + Mana Crypt
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Beacon of Tomorrows
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Capture of Jingzhou
Hullbreaker Horror + Nature's Chosen + Instill Energy
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Temporal Manipulation
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Time Warp
Invasion of Arcavios // Invocation of the Founders + Hullbreaker Horror + Walk the Aeons
Leyline Immersion + Hullbreaker Horror + Instill Energy
Leyline Immersion + Hullbreaker Horror + Nature's Chosen
Medomai the Ageless + Satoru Umezawa + Hullbreaker Horror
Combo result
Infinite turns.
Prerequisites
Medomai the Ageless in hand. All other permanents on the battlefield. You control an additional nontoken creature that does not have summoning sickness. An opponent is unable to block creatures you control. {U}{B} plus enough mana to cast the additional creature available each turn.
Rograkh, Son of Rohgahh + Hullbreaker Horror + Mana Crypt
Hullbreaker Horror + Mana Crypt + Lotus Pedal
Heliod, the Radiant Dawn // Heliod, the Warped Eclipse + Hullbreaker Horror + Recruit the Worthy
Combo result
Infinite creature tokens. Infinite ETB. Infinite storm count. Infinite magecraft triggers.
Prerequisites
Recruit the Worthy in hand. All other permanents on the battlefield. Heliod on the battlefield as Heliod, the Warped Eclipse. Your opponents have drawn at least three cards this turn.