Destroy target creature with power 2 or less.

Double strike
Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Cat with no mana cost. Eternalize only as a sorcery.)

Target creature gets +2/+2 and gains trample until end of turn.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Flash
Enchant creature
When this Aura enters, each player mills two cards.
Enchanted creature gets -X/-0, where X is the number of cards in its controller's graveyard.

Red creatures you control have first strike.

If one or more counters would be put on an artifact or creature you control, that many plus one of each of those kinds of counters are put on that permanent instead.
If you would get one or more counters, you get that many plus one of each of those kinds of counters instead.

Defender (This creature can't attack.)
, Sacrifice a Wall: Draw a card.

Choose one —
• All creatures get -1/-1 until end of turn.
• Destroy target enchantment.
• Regenerate each creature you control.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
2/3
Flying
LEVEL 4+
4/4
Flying, vigilance

Enchant player
Whenever a creature enchanted player controls enters, that player loses 1 life and you gain 1 life.

You draw two cards and lose 2 life.

As an additional cost to cast this spell, reveal a Merfolk card from your hand or pay .
When this creature enters, draw a card.

This artifact enters with three brick counters on it.
, , Remove a brick counter from this artifact: Draw a card.
, : Scry 1.

Target creature gets +1/+1 and gains double strike until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Choose one —
• Cathartic Pyre deals 3 damage to target creature or planeswalker.
• Discard up to two cards, then draw that many cards.

: This creature can't be blocked this turn.
Whenever this creature deals combat damage to a player, you may draw a card. If you do, discard a card.

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead.
When this creature dies, you gain life equal to its power.

, : Draw a card. If you have nine or more cards in hand, flip this creature.

When this creature enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.
, , Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

You may choose not to untap this artifact during your untap step.
, : Target creature gets +0/+3 for as long as this artifact remains tapped.

Enchant creature
Enchanted creature has protection from each color among permanents you control. This effect doesn't remove this Aura.

Tap up to two target creatures.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps.

Spree (Choose one or more additional costs.)
+ — Search your library for a basic land card or a Desert card, put it onto the battlefield, then shuffle.
+ — Create an X/X green Elemental creature token, where X is the number of lands you control.

As an additional cost to cast this spell, sacrifice an artifact.
Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

When this artifact enters, you draw a card and you lose 1 life.
, Sacrifice this artifact: You draw a card and you lose 1 life.

Whenever you cast an Adventure instant or sorcery spell, copy it. You may choose new targets for the copy.

Choose one —
• Destroy target creature with toughness 4 or greater.
• Destroy target enchantment.

Each player can't draw more than one card each turn.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)
When this creature is turned face up, destroy target nonblack creature. It can't be regenerated.

Return up to X target cards from your graveyard to your hand, where X is the number of black permanents target opponent controls as you cast this spell.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.)

Changeling (This card is every creature type.)
Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays .

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
This creature can't be blocked.

: Draw a card and reveal it. If it isn't a land card, discard it.