Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Jackal Pup

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

Mogg Fanatic

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Mogg Flunkies

Mogg Flunkies can't attack or block alone.

Cursed Scroll

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Cursed Scroll deals 2 damage to any target.

Goblin Vandal

Whenever Goblin Vandal attacks and isn't blocked, you may pay {R}. If you do, destroy target artifact defending player controls and Goblin Vandal assigns no combat damage this turn.

Shock

Bottle Gnomes

Sacrifice Bottle Gnomes: You gain 3 life.

Ironclaw Orcs

Ironclaw Orcs can't block creatures with power 2 or greater.

Fireblast

You may sacrifice two Mountains rather than pay this spell's mana cost.
Fireblast deals 4 damage to any target.