Remove a ki counter from Scarmaker: Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

When Sepulchral Primordial enters, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.

Whenever another black creature you control enters, target creature gains intimidate until end of turn. (It can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Shinen of Fear's Chill can't block.

Channel — , Discard Shinen of Fear's Chill: Target creature can't block this turn.

Target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

When Sleeper's Guile is put into a graveyard from the battlefield, return Sleeper's Guile to its owner's hand.

Whenever Smogsteed Rider attacks, each other attacking creature gains fear until end of turn. (They can't be blocked except by artifact creatures and/or black creatures.)

When Spiderwig Boggart enters, target creature gains fear until end of turn. (It can't be blocked except by artifact creatures and/or black creatures.)

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

When Squealing Devil enters, you may pay . If you do, target creature gets +X/+0 until end of turn.

When Squealing Devil enters, sacrifice it unless was spent to cast it.

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

Whenever Suq'Ata Assassin attacks and isn't blocked, defending player gets a poison counter. <I>(A player with ten or more poison counters loses the game.)</I>

Trapped Entry — Each player loses 1 life. (Leads to: Veils of Fear, Oubliette)

Veils of Fear — Each player loses 2 life unless they discard a card. (Leads to: Sandfall Cell)

Sandfall Cell — Each player loses 2 life unless they sacrifice a creature, artifact, or land. (Leads to: Cradle of the Death God)

Oubliette — Discard a card and sacrifice a creature, an artifact, and a land. (Leads to: Cradle of the Death God)

Cradle of the Death God — Create The Atropal, a legendary 4/4 black God Horror creature token with deathtouch.

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

: Undercity Shade gets +1/+1 until end of turn.

Enchant creature

Enchanted creature gets +2/+2, has intimidate, and can't attack you or planeswalkers you control. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it.)

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

Each artifact creature card in your graveyard has encore. Its encore cost is equal to its mana cost. (Exile it and pay its mana cost: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

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

Whenever Woebearer deals combat damage to a player, you may return target creature card from your graveyard to your hand.

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

At the beginning of your upkeep, you may return target Goblin card from your graveyard to your hand.