Flying
Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Look at the top six cards of your library. Put up to two creature cards with converted mana cost 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

(Theme color: )

Prevent all combat damage that would be dealt to you this turn. Populate. (Create a token that's a copy of a creature token you control.)

When Ferocious Pup enters the battlefield, create a 2/2 green Wolf creature token.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle your library.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip

Flying
Haste (This creature can attack and as soon as it comes under your control.)

Your opponents can't cast spells during combat.
Whenever a creature you control deals combat damage to a player, goad each creature that player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Defender (This creature can't attack.)

Each creature you control gets +1/+0 for each time it has attacked this turn.
Landfall — Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

Other Dogs you control get +1/+1.
Whenever Pack Leader attacks, prevent all combat damage that would be dealt this turn to Dogs you control.

All creatures able to block Prized Unicorn do so.

Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield.

Reach

Violent Eruption deals 4 damage divided as you choose among any number of targets.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)