Have (Arena)

Act of Treason

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.)

Hostile Minotaur

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

Mountain

Tectonic Rift

Destroy target land. Creatures without flying can't block this turn.

Hellkite Whelp

Flying
Whenever Hellkite Whelp attacks, it deals 1 damage to target creature defending player controls.

Drakuseth, Maw of Flames

Flying
Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.

Goblin Assailant

Shock

Fearless Halberdier

Goblin Smuggler

Haste (This creature can attack and {T} as soon as it comes under your control.)
{T}: Another target creature with power 2 or less can't be blocked this turn.

Glint-Horn Buccaneer

Haste
Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.
{1}{R}, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.

Nimble Birdsticker

Reach (This creature can block creatures with flying.)

Immortal Phoenix

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Immortal Phoenix dies, return it to its owner's hand.

Fire Elemental

Shivan Dragon

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Leyline of Combustion

If Leyline of Combustion is in your opening hand, you may begin the game with it on the battlefield.
Whenever you and/or at least one permanent you control becomes the target of a spell or ability an opponent controls, Leyline of Combustion deals 2 damage to that player.

Daggersail Aeronaut

During your turn, Daggersail Aeronaut has flying.

Engulfing Eruption

Engulfing Eruption deals 5 damage to target creature.

Sure Strike

Target creature gets +3/+0 and gains first strike until end of turn.

Infuriate

Target creature gets +3/+2 until end of turn.