Destroy target creature with flying. If that creature was blue or black, create a 1/2 green Spider creature token with reach. (It can block creatures with flying.)

: Destroy target noncreature artifact with mana value X.

Enchant creature
Enchanted creature gets +2/+2.
, Exile this card from your graveyard: Return another target Aura or Equipment card from your graveyard to your hand.

Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.)
When this creature enters, draw a card for each creature it devoured.

Flying
Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn.

Destroy target artifact. You gain life equal to its mana value.

Dominate Monster — When this creature enters, gain control of target creature for as long as you control this creature.

(: Add or .)
This land enters tapped unless you control two or more basic lands.

This spell costs less to cast for each creature in your party.
Flying, deathtouch, haste
Other creatures you control have deathtouch.
Whenever a creature you control deals combat damage to a planeswalker, destroy that planeswalker.

Whenever a player casts a black spell, you may gain 1 life.

Whenever this creature attacks, it gets +0/+2 until end of turn.

Equipped creature gets +1/+1 and has haste.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

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

When Perrie enters, put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)
Whenever Perrie attacks, target creature you control gains trample and gets +X/+X until end of turn, where X is the number of different kinds of counters among permanents you control.

Create a 1/1 green Squirrel creature token.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying
As long as this creature is untapped, it gets +0/+2.

Whenever you cast an Artificer or artifact spell, you get (an energy counter).
At the beginning of combat on your turn, you may pay . When you do, create a token that's a copy of target permanent you control, except it's a 5/5 artifact creature in addition to its other types and has haste. Sacrifice it at the beginning of the next end step.

Flash
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Exploit (When this creature enters, you may sacrifice a creature.)
When this creature exploits a creature, return to their owners' hands all creatures your opponents control with toughness less than the exploited creature's toughness.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.)
All creatures able to block this creature or enchanted creature do so.
Enchanted creature gets +1/+1.