, , Sacrifice Crater Elemental: It deals 4 damage to target creature.
Formidable — : Crater Elemental has base power 8 until end of turn. Activate this ability only if creatures you control have total power 8 or greater.

Flying
Whenever you cast a noncreature spell, Cunning Breezedancer gets +2/+2 until end of turn.

Defender
Custodian of the Trove enters the battlefield tapped.

Target player draws X cards and loses X life.

Until end of turn, target creature you control becomes a blue Dragon Illusion with base power and toughness 4/4, loses all abilities, and gains flying.

As long as you control exactly one creature, that creature gets +2/+0 and has deathtouch and lifelink.

Target creature gets -X/-X until end of turn.

Flying
When Deathbringer Regent enters the battlefield, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.

Deathtouch
Whenever a permanent you control is turned face up, you may return Deathmist Raptor from your graveyard to the battlefield face up or face down.
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Destroy target creature with power 2 or less.

Creatures with power less than Den Protector's power can't block it.
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
When Den Protector is turned face up, return target card from your graveyard to your hand.

Destroy any number of target creatures. For each creature destroyed this way, its controller creates a 4/4 red Dragon creature token with flying.

Defender
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Choose one —
• Destroy target blue or black noncreature permanent.
• Permanents you control can't be the targets of blue or black spells your opponents control this turn.

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Draconic Roar deals 3 damage to target creature. If you revealed a Dragon card or controlled a Dragon as you cast this spell, Draconic Roar deals 3 damage to that creature's controller.

Create two 1/1 red Goblin creature tokens.

Protection from Dragons
Dragon Hunter can block Dragons as though it had reach.

Whenever a creature with flying enters the battlefield under your control, it gains haste until end of turn.
Whenever a Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

: Dragon Whisperer gains flying until end of turn.
: Dragon Whisperer gets +1/+0 until end of turn.
Formidable — : Create a 4/4 red Dragon creature token with flying. Activate this ability only if creatures you control have total power 8 or greater.

Defender, first strike