At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.

At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.

At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.

At the beginning of your upkeep, you may sacrifice Blood Speaker. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.

Whenever a Demon enters the battlefield under your control, return Blood Speaker from your graveyard to your hand.

{T}: Put a devotion counter on Bloodthirsty Ogre.

{T}: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate only if you control a Demon.

{T}: Put a devotion counter on Bloodthirsty Ogre.

{T}: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate only if you control a Demon.

{T}: Put a devotion counter on Bloodthirsty Ogre.

{T}: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate only if you control a Demon.

{T}: Put a devotion counter on Bloodthirsty Ogre.

{T}: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate only if you control a Demon.

Trample

At the beginning of your upkeep, discard a card if you don't control an Ogre.

Ninjutsu {3}{B}{B} ({3}{B}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

{1}{B}: Regenerate Ink-Eyes.

At the beginning of your upkeep, sacrifice Kuro, Pitlord unless you pay {B}{B}{B}{B}.

Pay 1 life: Target creature gets -1/-1 until end of turn.

Enchant creature

You control enchanted creature.

At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni.

Enchant creature

You control enchanted creature.

At the beginning of the end step, if you control no Demons, sacrifice Mark of the Oni.

Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature.

Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature.

Enchant creature

At the beginning of your upkeep, sacrifice a creature.

Enchanted creature gets +3/+3 and has trample.

Enchanted creature is a Demon Spirit.

Enchant creature

At the beginning of your upkeep, sacrifice a creature.

Enchanted creature gets +3/+3 and has trample.

Enchanted creature is a Demon Spirit.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, sacrifice a creature if you don't control an Ogre.

Destroy target non-Spirit creature.

Destroy target non-Spirit creature.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

{T}: Add {B}.

{B}, {T}: Target legendary creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

At the beginning of your upkeep, return a black creature you control to its owner's hand.

{1}{B}: Regenerate Skull Collector.

At the beginning of your upkeep, return a black creature you control to its owner's hand.

{1}{B}: Regenerate Skull Collector.

Return target creature card from your graveyard to your hand.

Splice onto Arcane {1}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Return target creature card from your graveyard to your hand.

Splice onto Arcane {1}{B} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Swallowing Plague deals X damage to target creature and you gain X life.

Swallowing Plague deals X damage to target creature and you gain X life.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {B}. Tomb of Urami deals 1 damage to you if you don't control an Ogre.

{2}{B}{B}, {T}, Sacrifice all lands you control: Create Urami, a legendary 5/5 black Demon Spirit creature token with flying.

Villainous Ogre can't block.

As long as you control a Demon, Villainous Ogre has "{B}: Regenerate Villainous Ogre."

Villainous Ogre can't block.

As long as you control a Demon, Villainous Ogre has "{B}: Regenerate Villainous Ogre."

Villainous Ogre can't block.

As long as you control a Demon, Villainous Ogre has "{B}: Regenerate Villainous Ogre."

Villainous Ogre can't block.

As long as you control a Demon, Villainous Ogre has "{B}: Regenerate Villainous Ogre."

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.

When Yukora, the Prisoner leaves the battlefield, sacrifice all non-Ogre creatures you control.