When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.
5 /
5
{3}{R}{R}
Hunted Dragon
Creature - Dragon
Flying, haste
When Hunted Dragon enters the battlefield, target opponent creates three 2/2 white Knight creature tokens with first strike.
6 /
6
{5}{U}
Keiga, the Tide Star
Legendary Creature - Dragon Spirit
Flying
When Keiga, the Tide Star dies, gain control of target creature.
5 /
5
{2}{U}{U}{R}{R}
Niv-Mizzet, Dracogenius
Legendary Creature - Dragon Wizard
Flying
Whenever Niv-Mizzet, Dracogenius deals damage to a player, you may draw a card.
{U}{R}: Niv-Mizzet, Dracogenius deals 1 damage to any target.
5 /
5
{2}{U}{U}{R}{R}
Niv-Mizzet, the Firemind
Legendary Creature - Dragon Wizard
Flying
Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.
{T}: Draw a card.
4 /
4
{3}{U}{R}{W}
Numot, the Devastator
Legendary Creature - Dragon
Flying
Whenever Numot, the Devastator deals combat damage to a player, you may pay {2}{R}. If you do, destroy up to two target lands.
6 /
6
{3}{R}{W}{B}
Oros, the Avenger
Legendary Creature - Dragon
Flying
Whenever Oros, the Avenger deals combat damage to a player, you may pay {2}{W}. If you do, Oros deals 3 damage to each nonwhite creature.
6 /
6
{4}{R}{R}
Pardic Dragon
Creature - Dragon
Flying
{R}: Pardic Dragon gets +1/+0 until end of turn.
Suspend 2--{R}{R}
Whenever an opponent casts a spell, if Pardic Dragon is suspended, that player may put a time counter on Pardic Dragon.
4 /
4
{4}{R}
Rapacious Dragon
Creature - Dragon
Flying
When Rapacious Dragon enters, create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
3 /
3
{5}{R}{R}
Siege Dragon
Creature - Dragon
Flying
When Siege Dragon enters the battlefield, destroy all Walls your opponents control.
Whenever Siege Dragon attacks, if defending player controls no Walls, it deals 2 damage to each creature without flying that player controls.
5 /
5
{3}{G}{W}{U}
Treva, the Renewer
Legendary Creature - Dragon
Flying
Whenever Treva, the Renewer deals combat damage to a player, you may pay {2}{W}. If you do, choose a color, then you gain 1 life for each permanent of that color.