Deathtouch
Whenever another creature you control enters, you gain 1 life.
Whenever another creature you control dies, each opponent loses 1 life.

When this enchantment enters, target opponent sacrifices a creature of their choice.
When a Cartouche you control enters, return this enchantment to its owner's hand.

Choose one —
• Break Their Chains — Destroy target artifact.
• Interrogate Them — Exile the top three cards of target opponent's library. Choose one of them. Until the end of your next turn, you may play that card, and you may spend mana as though it were mana of any color to cast it.

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, they remove a time counter. When the last is removed, they may play it without paying its mana cost. If it's a creature, it has haste.)

Target creature you control gains vigilance and trample until end of turn. It deals damage equal to its power to target creature you don't control.

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Destroy target nonblack attacking creature.

Whenever you sacrifice another permanent, you may pay . If you do, create a token that's a copy of this creature.

This artifact enters tapped.
: Add .

As this creature enters, choose a color.
Whenever you cast a spell of the chosen color, you gain 1 life.

Create an X/X black and green Spirit Warrior creature token, where X is the greatest toughness among creatures you control.

When this creature enters, add .

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)
This creature assigns combat damage equal to its toughness rather than its power.

Flying
Whenever this creature deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Flying
Whenever this creature attacks, create a 1/1 white Soldier creature token that's tapped and attacking.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip

Hideaway 4 (When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)
This creature enters tapped.
When this creature leaves the battlefield, put the exiled card into its owner's hand.

Rolling Thunder deals X damage divided as you choose among any number of targets.

: Mill two cards. (Put the top two cards of your library into your graveyard.)
, Exile this artifact: Shuffle any number of target cards from your graveyard into your library.

This creature gets +1/+1 as long as you control a Swamp.
: Regenerate this creature. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

When this enchantment enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
, Sacrifice this enchantment: You gain 2 life and draw two cards. Target opponent loses 2 life. This enchantment deals 2 damage to up to one target creature. You create a 2/2 green Bear creature token.

If one or more -1/-1 counters would be put on a creature you control, that many -1/-1 counters minus one are put on it instead.

Equipped creature has nonbasic landwalk. (It can't be blocked as long as defending player controls a nonbasic land.)
Equip

Choose one —
• Destroy target creature with no counters on it.
• Remove up to three counters from target creature.

This creature can't block.
At the beginning of your upkeep, put a +1/+1 counter on this creature and you lose 1 life.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Attacking creatures you control get +1/+0.

Destroy target monocolored creature.

Protection from green (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything green.)
Creatures your opponents control can't have +1/+1 counters put on them.

When equipped creature deals combat damage to a player, sacrifice this Equipment. If you do, draw three cards.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flash
Enchant creature
Enchanted creature gets -2/-0 and loses all abilities. (Mutating onto the creature won't give it new abilities. It can gain abilities in other ways.)

Whenever this creature becomes the target of a spell or ability, mill three cards.
, : Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Prevent all combat damage that would be dealt this turn.
Each attacking creature doesn't untap during its controller's next untap step.

Defender
When this creature enters, draw a card.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

Equipped creature gets +1/+1 and has all names of nonlegendary creature cards in addition to its name.
Equip

Put a +1/+1 counter on each creature you control.