At the beginning of each upkeep, you draw a card and you lose 1 life.

You may pay rather than pay this spell's mana cost.
If the cost was paid, an opponent draws a card.
Exile target creature or planeswalker.

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

Minion creatures get +1/+1.
, Exile Balthor: Each player returns all black and all red creature cards from their graveyard to the battlefield.

Flying
When this creature enters, target player reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, each opponent discards two cards unless they discard a nonland card.
: Level 2
At the beginning of each opponent's upkeep, if that player has one or fewer cards in hand, they lose 2 life.
: Level 3
At the beginning of your draw step, draw an additional card for each opponent who has one or fewer cards in hand.

Morph
When this creature is turned face up, all creatures get -X/-X until end of turn.

Whenever this creature becomes blocked, each creature blocking it gets -1/-1 until end of turn.
Daybound

Whenever this creature becomes blocked, each creature blocking it gets -1/-1 until end of turn.
Whenever a creature blocking this creature dies, that creature's controller loses 1 life.
Nightbound

At the beginning of your end step, you may reveal the top card of your library. If you do, each opponent loses life equal to that card's mana value.

Lifelink, haste

Enchant creature
When enchanted creature dies, that creature's controller loses life equal to its toughness.

When this creature enters, you may put a -1/-1 counter on target creature.
, Sacrifice this creature: Destroy target creature that has a -1/-1 counter on it.

As an additional cost to cast this spell, sacrifice two creatures.
Draw three cards.

, : This creature deals half X damage, rounded down, to any target, and half X damage, rounded up, to you.

Myriad
Whenever this creature deals combat damage to a player, that player discards a card.

, : Choose target creature and roll a six-sided die. If you roll a 6, sacrifice Bantam of the Opera. Otherwise, that creature gets -X/-X until end of turn, where X is the result.

Flash
When this Equipment enters, attach it to target creature you control. That creature gains wither until end of turn.
Equipped creature gets +1/+2.
Equip

Indestructible
When this creature enters, suspect it.
Whenever this creature deals combat damage to a player, you draw a card and you lose 1 life.
Whenever this creature is dealt damage, target opponent loses that much life.

: Target green creature blocking this creature gets -1/-1 until end of turn.

Whenever you cast a black spell from your hand, Baron Helmut Zemo connives.
Boast — Exile any number of black cards from your graveyard with fifteen or more black mana symbols among their mana costs: Copy those exiled cards. You may cast up to three of the copies without paying their mana costs. (Activate only if this creature attacked this turn and only once each turn.)

Flying
Whenever a creature dealt damage by Baron Sengir this turn dies, put a +2/+2 counter on Baron Sengir.
: Regenerate another target Vampire.

Villain spells you cast cost less to cast.
Whenever another Villain you control enters, you may have it connive. Do this only once each turn.

Defender
When this creature enters, surveil 1.

At the beginning of your upkeep, sacrifice this creature unless you exile the top creature card of your graveyard.

Flying
This creature has lifelink as long as you control another Faerie.
: This creature gets +1/+0 until end of turn.

When this creature enters, return target Knight card from your graveyard to your hand.

Each player sacrifices two creatures of their choice.