Whenever a creature with flying attacks, it loses flying until end of turn.

Converge — You draw X cards and lose X life, where X is the number of colors of mana spent to cast this spell.

Each player puts a creature card from their graveyard onto the battlefield.

: Add .

Whenever you cast an instant or sorcery spell, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)
At the beginning of your upkeep, if you control three or more creature tokens, you may transform this creature.

Create X tapped 2/1 white and black Inkling creature tokens with flying. If X is 6 or more, destroy all noncreature, nonland permanents.

( can be paid with either or 2 life.)
Target creature gets -5/-5 until end of turn.

This artifact enters tapped.
: Add .
: The next spell you cast this turn has convoke.

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Flying, protection from white
When this creature enters, each opponent loses life equal to the number of Vampires you control. You gain life equal to the life lost this way.

: Add . When you spend this mana to cast a Dragon creature spell, you gain 2 life.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.)
Whenever Donna Noble or a creature it's paired with is dealt damage, Donna Noble deals that much damage to target opponent.
Doctor's companion (You can have two commanders if the other is the Doctor.)

At the beginning of your upkeep, put a shred counter on this creature. Then mill a card for each shred counter on this creature.

Other Vampire creatures you control get +1/+1.
Tap five untapped Vampires you control: Gain control of target creature. It becomes a Vampire in addition to its other types.

( can be paid with either or 2 life.)
Creatures can't attack you or planeswalkers you control unless their controller pays for each of those creatures.

When this creature enters, if you cast it from your hand, destroy all non-Dinosaur creatures.

Each creature you control gains firebending 5 until end of turn. (Whenever it attacks, add . This mana lasts until end of combat.)
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

(: Add .)

Defender, flying
Whenever this creature is dealt damage, you and target opponent each draw a card.

Flash
As long as The Wandering Emperor entered this turn, you may activate her loyalty abilities any time you could cast an instant.
+1: Put a +1/+1 counter on up to one target creature. It gains first strike until end of turn.
−1: Create a 2/2 white Samurai creature token with vigilance.
−2: Exile target tapped creature. You gain 2 life.