As an additional cost to cast this spell, sacrifice any number of creatures.
Create an X/X blue and black Zombie creature token with menace, where X is the total power of the sacrificed creatures.
Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Destroy target creature with power 2 or less. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this token: Draw a card.")

If it's neither day nor night, it becomes day as this creature enters.
Whenever day becomes night or night becomes day, draw a card.

: Add one mana of any color. Put an omen counter on this creature.
At the beginning of your end step, if there are three or more omen counters on this creature, untap it, then transform it.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)
Whenever one or more +1/+1 counters are put on one or more Humans you control, draw a card. This ability triggers only once each turn.

When you attack with exactly two creatures, transform this creature.

This creature can't block.
When this creature dies, return it to the battlefield transformed under your control attached to target creature or planeswalker an opponent controls.

Whenever you sacrifice another creature, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.)
, Sacrifice another creature: This creature gets +2/+2 until end of turn.

Defender
When this creature enters, scry 2.
When you sacrifice this creature, return it to the battlefield transformed under its owner's control at the beginning of the next end step.

: Create a 2/2 green Wolf creature token.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

This creature can't be blocked as long as it's attacking alone.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Target player shuffles up to four target cards from their graveyard into their library. You look at the top four cards of your library, then put one of those cards into your hand and the rest on the bottom of your library in a random order.

Create two 3/3 green Insect creature tokens. You gain 2 life.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature. You lose 2 life.

This artifact enters with three omen counters on it.
, : Look at the top two cards of your library. Put one of them into your graveyard.
Whenever a creature card is put into your graveyard from anywhere, remove an omen counter from this artifact. Then if it has no omen counters on it, transform it.

Whenever this creature deals combat damage to a player, draw a card.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

At the beginning of your upkeep, mill a card. Then if there are three or more creature cards in your graveyard, transform this creature. (To mill a card, put the top card of your library into your graveyard.)

When another creature you control dies, transform this creature.

Whenever this creature or another creature you control dies, put a +1/+1 counter on target creature you control.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Trample
Tap two untapped creatures you control: This Vehicle becomes an artifact creature until end of turn.

At the beginning of combat on your turn, if you control three or more creatures that each have toughness greater than their power, transform this creature.

When this creature enters, destroy target creature you don't control that was dealt damage this turn.
Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Disturb (You may cast this card from your graveyard transformed for its disturb cost.)

Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying. This ability triggers only once each turn.

As an additional cost to cast this spell, sacrifice a creature.
Draw three cards.

Whenever one or more nontoken creatures die, create a 2/2 black Zombie creature token with decayed. This ability triggers only once each turn. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.)

Target creature you control gets +1/+1 until end of turn. It deals damage equal to its power to target creature you don't control.

Create a red Elemental creature token with trample and "This token's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
Instant and sorcery spells you cast cost less to cast.
Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn.

Flash
Flying
When this creature enters, you may return another creature you control to its owner's hand.

When this creature enters, if you control another Human, draw a card.

Whenever this creature enters or attacks, create a 1/1 green Insect creature token.
Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Create a 3/1 black and red Vampire creature token with trample, lifelink, and haste. Sacrifice it at the beginning of the next end step.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Equipped creature gets +2/+0. It gets an additional +0/+2 and has first strike as long as an Equipment named Groom's Finery is attached to a creature you control.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Trample, haste
If it's neither day nor night, it becomes day as this creature enters.
Whenever day becomes night or night becomes day, put a +1/+1 counter on target creature you control.