Flush Out

Discard a card. If you do, draw two cards. (Then shuffle this card into its owner's library.)

Stormshriek Feral

Flying, haste
{1}{R}: This creature gets +1/+0 until end of turn.

Each Dragon you control enters with an additional +1/+1 counter on it.
{T}: Add one mana of any color.

Dragon spells you cast cost {1} less to cast.

Flying
Whenever you cast a noncreature or Dragon spell, this creature deals 1 damage to each opponent.