A slipped all the holo cards into some sleeves and started from there
However, that deck uses cards like Professor Sada's Research and Dark Patch, which accelerate energy far more efficiently
Card Text: Flying At the beginning of your end step, choose a random nonland Magic card name
Funeral Room and Awakening Hall is a payoff for both graveyard-centric decks, and sacrifice decks hoping to pile up the Blood Artist-esque triggers

Release date: 2021-07-23 +2 Mace Arborea Pegasus Blink Dog The Book of Exalted Deeds Celestial Unicorn Cleric Class Cloister Gargoyle Dancing Sword Dawnbringer Cleric Delver's Torch Devoted Paladin Divine Smite Dragon's Disciple Dwarfhold Champion Flumph Gloom Stalker Grand Master of Flowers Guardian of Faith Half-Elf Monk Icingdeath, Frost Tyrant Ingenious Smith Keen-Eared Sentry Loyal Warhound Minimus Containment Monk of the Open Hand Moon-Blessed Cleric Nadaar, Selfless Paladin Oswald Fiddlebender Paladin Class Paladin's Shield Planar Ally Plate Armor Portable Hole Potion of Healing Priest of Ancient Lore Rally Maneuver Ranger's Hawk Steadfast Paladin Teleportation Circle Veteran Dungeoneer White Dragon You Hear Something on Watch You're Ambushed on the Road Aberrant Mind Sorcerer Air-Cult Elemental Arcane Investigator Bar the Gate The Blackstaff of Waterdeep Blue Dragon Charmed Sleep Clever Conjurer Contact Other Plane Demilich Displacer Beast Djinni Windseer Dragon Turtle Eccentric Apprentice Feywild Trickster Fly Grazilaxx, Illithid Scholar Guild Thief Iymrith, Desert Doom Mind Flayer Mordenkainen Mordenkainen's Polymorph Pixie Guide Power of Persuasion Ray of Frost Rimeshield Frost Giant Scion of Stygia Secret Door Shocking Grasp

Short of countering whatever shenanigans you're doing to bring it back, there's not much your opponent can do to prevent sacrificing three creatures