When Sandsteppe Scavenger enters the battlefield, bolster 2. (Choose a creature with the least toughness among creatures you control and put two +1/+1 counters on 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.)

[+1]: Draw a card, then add one mana of any color.
[−2]: Create a 4/4 red Dragon creature token with flying.
[−8]: Search your library for any number of Dragon creature cards and put them onto the battlefield. Then shuffle your library.

Sarkhan's Rage deals 5 damage to any target. If you control no Dragons, Sarkhan's Rage deals 2 damage to you.

Search your library for a Dragon creature card, reveal it, put it into your hand, then shuffle your library.

Flying
Whenever Savage Ventmaw attacks, add . Until end of turn, you don't lose this mana as steps and phases end.

Bolster 1, then put a +1/+1 counter on each creature you control with a +1/+1 counter on it. (To bolster 1, choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)

As an additional cost to cast this spell, you may reveal a Dragon card from your hand.
Scaleguard Sentinels enters the battlefield with a +1/+1 counter on it if you revealed a Dragon card or controlled a Dragon as you cast this spell.

Flying

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Create X 1/1 white Warrior creature tokens.

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.)

Seismic Rupture deals 2 damage to each creature without flying.

Target opponent sacrifices a green or white creature. If that player does, they lose 2 life.

Servant of the Scale enters the battlefield with a +1/+1 counter on it.
When Servant of the Scale dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on Servant of the Scale.

: Add two mana in any combination of colors. Spend this mana only to cast creature spells.
Formidable — , : Each player's life total becomes the number of creatures they control. Activate this ability only if creatures you control have total power 8 or greater.

When Shambling Goblin dies, target creature an opponent controls gets -1/-1 until end of turn.

Target creature gets +0/+5 and gains reach until end of turn. (It can block creatures with flying.)

Enchant land
Enchanted land has ": Add two mana of any one color."

Flying, lifelink
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 Shieldhide Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.