First strike, protection from white

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

Destroy all creatures. For each nontoken creature destroyed this way, you create a tapped Treasure token.

Nonbasic lands are Mountains.

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, creature, enchantment, instant, land, planeswalker, sorcery, and tribal are card types.)

Until end of turn, if damage would be dealt to any creature, you may have that damage dealt to you instead.

Bloodthirst 1
First strike

Choose one —
• Destroy all creatures.
• Destroy all planeswalkers.
Then return a creature or planeswalker card with mana value X or less from your graveyard to the battlefield, where X is the amount of spent to cast this spell. ( is mana from a snow source.)

Lifelink
When this creature enters, you may exile target card from a graveyard.
Whenever you surveil, if this card is in your graveyard, you may pay 3 life. If you do, return this card to your hand.

Target player draws two cards and loses 2 life.

Sacrifice this creature: Add .

This creature has first strike as long as it's attacking.
When this creature dies, create a Blood token.

Spark (Activate spark abilities by spending or giving yourself spark counters. Activate only one spark ability per turn, and only as a sorcery.)
+1: This creature gains lifelink until end of turn.
-3: Target opponent discards a card. You gain life equal to its mana value.

Look at the top four cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order. You lose 2 life.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

Menace
Whenever you gain life, put a +1/+1 counter on this creature.

, Sacrifice a creature: This enchantment deals 2 damage to any target.

If you would draw a card while you have no cards in hand, instead you draw two cards and you lose 1 life.

Whenever a creature an opponent controls enters, you may have that player lose 1 life.

When this creature enters, create a Blood token.

When this enchantment enters, it deals 3 damage to target creature an opponent controls.
Whenever one or more creatures die, mill a card and put a bloodstain counter on this enchantment. Then sacrifice it if it has five or more bloodstain counters on it. When you do, return target creature card from your graveyard to your hand.

At the beginning of your upkeep, you may sacrifice this creature. If you do, search your library for a Demon card, reveal that card, put it into your hand, then shuffle.
Whenever a Demon you control enters, return this card from your graveyard to your hand.

When this enchantment enters, draw a card.
All lands lose all abilities except mana abilities.

Each opponent loses 3 life. You gain life equal to the life lost this way.

Kicker — Tap an untapped Vampire you control.
Target opponent loses half their life, rounded up. If this spell was kicked, you gain life equal to the life lost this way.

Flying, trample
At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on this creature for each 1 life lost this way.
Whenever a player loses the game, put five +1/+1 counters on this creature.

Sacrifice this creature: Add .

Flying
At the beginning of combat on your turn, up to one target Blood token you control becomes a 2/2 black Bat creature with flying and haste in addition to its other types.

When this creature enters, you take the initiative.
Crown of Madness — , Sacrifice an artifact or creature: Goad target creature.