Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Mountain

Brute Force

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

Mogg Conscripts

Mogg Conscripts can't attack unless you've cast a creature spell this turn.

Mardu Scout

Dash {1}{R} (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.)

Jackal Pup

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Bloodcrazed Goblin

Bloodcrazed Goblin can't attack unless an opponent has been dealt damage this turn.

Jackal Familiar

Jackal Familiar can't attack or block alone.

Raging Kronch

Mogg Flunkies

Mogg Flunkies can't attack or block alone.

Heartfire

As an additional cost to cast this spell, sacrifice a creature or planeswalker.
Heartfire deals 4 damage to any target.

Keldon Marauders

Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)
When Keldon Marauders enters or leaves the battlefield, it deals 1 damage to target player or planeswalker.