Niv-Mizzet, the Firemind

Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
: Draw a card.

Two-Headed Dragon

Flying
Menace (This creature can’t be blocked except by two or more creatures.)
Two-Headed Dragon can block an additional creature each combat.
: Two-Headed Dragon gets +2/+0 until end of turn.

Dragon Whelp

Flying
: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Thunder Dragon

Flying
When Thunder Dragon enters the battlefield, it deals 3 damage to each creature without flying.

Kokusho, the Evening Star

Flying
When Kokusho, the Evening Star dies, each opponent loses 5 life. You gain life equal to the life lost this way.

Rith, the Awakener

Flying
Whenever Rith, the Awakener deals combat damage to a player, you may pay . If you do, choose a color, then create a 1/1 green Saproling creature token for each permanent of that color.

Bogardan Hellkite

Flash
Flying
When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.

Draco

Domain — This spell costs less to cast for each basic land type among lands you control.
Flying
Domain — At the beginning of your upkeep, sacrifice Draco unless you pay . This cost is reduced by for each basic land type among lands you control.

Ebon Dragon

Flying
When Ebon Dragon enters the battlefield, you may have target opponent discard a card.

Shivan Dragon

Flying (This creature can’t be blocked except by creatures with flying or reach.)
: Shivan Dragon gets +1/+0 until end of turn.

Needle Specter

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)
Whenever Needle Specter deals combat damage to a player, that player discards that many cards.

Evershrike

Flying
Evershrike gets +2/+2 for each Aura attached to it.
: Return Evershrike from your graveyard to the battlefield. You may put an Aura card with converted mana cost X or less from your hand onto the battlefield attached to it. If you don’t, exile Evershrike.

Kithkin Spellduster

Flying
, Sacrifice Kithkin Spellduster: Destroy target enchantment.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner’s control with a -1/-1 counter on it.)

Glen Elendra Archmage

Flying
, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner’s control with a -1/-1 counter on it.)

Flickerwisp

Flying
When Flickerwisp enters the battlefield, exile another target permanent. Return that card to the battlefield under its owner’s control at the beginning of the next end step.

Divinity of Pride

Flying, lifelink
Divinity of Pride gets +4/+4 as long as you have 25 or more life.

Spirit of the Hearth

Flying
You have hexproof. (You can’t be the target of spells or abilities your opponents control.)

Dream Thief

Flying
When Dream Thief enters the battlefield, draw a card if you’ve cast another blue spell this turn.

Dominus of Fealty

Flying
At the beginning of your upkeep, you may gain control of target permanent until end of turn. If you do, untap it and it gains haste until end of turn.

Soot Imp

Flying
Whenever a player casts a nonblack spell, that player loses 1 life.

Indigo Faerie

Flying
: Target permanent becomes blue in addition to its other colors until end of turn.