Duskmourn

Deathtouch Cackling Slasher enters with a +1/+1 counter on it if a creature died this turn.

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, each opponent loses 1 life.

Flash Whenever Appendage Amalgam attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Target nonland permanent's owner puts it on the top or bottom of their library. Surveil 1. (Look at the top card of your library. You may put it in...

Vigilance Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a possession counter on Unwilling Vessel. Wh...

Return up to one target nonland permanent to its owner's hand. Manifest dread. (Look at the top two cards of your library. Put one onto the battlef...

Exile target artifact, enchantment, or creature with power 4 or greater.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you u...

Choose one — • Counter target spell. • Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 ...

When Tunnel Surveyor enters, create a 1/1 white Glimmer enchantment creature token.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I, II, III — Mill two cards. If two cards that share a card...

Enchant creature When Stay Hidden, Stay Silent enters, tap enchanted creature. Enchanted creature doesn't untap during its controller's untap step....

Defender Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, Stalked Researcher can attack this turn as though...

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, target player mills two cards. (They put the top two cards...

Flying Piranha Fly enters tapped.

Whenever you manifest dread, put a card you put into your graveyard this way into your hand.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) When you u...

When Marina Vendrell's Grimoire enters, if you cast it, draw five cards. You have no maximum hand size and don't lose the game for having 0 or less...

Draw two cards. Create a 1/1 white Glimmer enchantment creature token.

Flying Whenever Ghostly Keybearer deals combat damage to a player, unlock a locked door of up to one target Room you control.

As an additional cost to cast this spell, return a permanent you control to its owner's hand. Flying

Flying Whenever Fear of Falling attacks, target creature defending player controls gets -2/-0 and loses flying until your next turn.

Whenever Fear of Failed Tests deals combat damage to a player, draw that many cards.

Flying, vigilance Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, Erratic Apparition gets +1/+1 until end ...