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.)

Mountain

Siege Smash

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)
Choose one —
• Destroy target artifact.
• Target creature gets +3/+2 and gains trample until end of turn.

Tin Street Dodger

Haste
{R}: This creature can't be blocked this turn except by creatures with defender.

Run Amok

Target attacking creature gets +3/+3 and gains trample until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Tuktuk Rubblefort

Defender, reach
Creatures you control have haste.

Evolving Wilds

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Strangle

Strangle deals 3 damage to target creature or planeswalker.

Redcap Thief

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Innocent Bystander

Whenever this creature is dealt 3 or more damage, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Goblin Grenade

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Trick Shot

Trick Shot deals 6 damage to target creature and 2 damage to up to one other target creature token.

Goblin Tomb Raider

As long as you control an artifact, this creature gets +1/+0 and has haste.

Sarpadian Simulacrum

Haste
{3}{R}, Sacrifice this creature: It deals 4 damage to target creature.

Krenko's Command

Create two 1/1 red Goblin creature tokens.