Sefris of the Hidden Ways leads an Esper reanimator deck that fills the graveyard with creature cards, so Sefris ventures into the dungeon once per turn. Completing dungeons then triggers Create Undead and returns creatures for free. Because the venture trigger is capped at once each turn, the deck wants creature cards hitting the graveyard on every player's turn. Instant-speed reanimation fits that rhythm, letting the deck bin and return threats at the end of an opponent's turn or in response to removal. Self-mill, discard and sacrifice outlets keep dungeons advancing, and powerful creatures that pay off when they enter or die give each reanimation real value. How it wins: The deck repeatedly cheats large or value-generating creatures back from the graveyard, often at instant speed and through dungeon completions, and wins by overwhelming the table with those threats and the advantage they accumulate. Key roles: - Instant-speed reanimation: Spells and abilities that put a creature card from the graveyard onto the battlefield at instant speed. They let the deck respond to removal, ambush at the end of an opponent's turn, and keep mana open while still reanimating (Sefris of the Hidden Ways) - Graveyard filling on every turn: Self-mill, looting and discard effects, ideally usable on opponents' turns, so a creature card reaches the graveyard each turn and Sefris ventures as often as the once-per-turn cap allows (Sefris of the Hidden Ways) - Sacrifice and recursion loop: Sacrifice outlets and creatures that die or return repeatedly. They put creature cards into the graveyard on demand and turn each reanimation into more venture triggers and value - Dungeon acceleration: Other venture and initiative effects that push through dungeons faster, so Create Undead fires more often as a free reanimation spell (Sefris of the Hidden Ways) - Reanimation targets: Big or enter-the-battlefield and death-trigger creatures worth returning. They supply the threats and card advantage that actually win the game once they are pulled back from the graveyard