Boxing Day

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 ...

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following abi...

Target creature can't be blocked this turn. Draw a card.

Flash Whenever a creature you control deals combat damage to a player, draw a card. When Enduring Curiosity dies, if it was a creature, return it t...

Enchant creature You control enchanted creature. Enchanted creature gets -3/-0 and loses all abilities.

Return target creature card from your graveyard to the battlefield. You gain 3 life.

Counter target spell unless its controller pays {2}. If they do, surveil 2. (Look at the top two cards of your library, then put any number of them...

Vigilance Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

When Cursed Windbreaker enters, manifest dread, then attach Cursed Windbreaker to that creature. (Look at the top two cards of your library. Put on...

{T}: Add {U}. Spend this mana only to cast an enchantment spell, unlock a door, or turn a permanent face up.

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bo...

Whenever Clammy Prowler attacks, another target attacking creature can't be blocked this turn.

(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...

(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...

Enchantment spells you cast cost {1} less to cast. Unlock costs you pay cost {1} less.

Pyroclasm deals 2 damage to each creature.

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, re...

Impending 4—{2}{R}{R} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is remo...

Destroy target creature. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefie...

When Unsettling Twins enters, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature ...

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, re...

If Leyline of Transformation is in your opening hand, you may begin the game with it on the battlefield. As Leyline of Transformation enters, choos...

If Leyline of Hope is in your opening hand, you may begin the game with it on the battlefield. If you would gain life, you gain that much life plus...