
Crypt Ghast | Creature | Spirit | Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)
Whenever you tap a Swamp for mana, add an additional {B}. | Chris Rahn

Ooze Flux | Enchantment | | {1}{G}, Remove one or more +1/+1 counters from among creatures you control: Create an X/X green Ooze creature token, where X is the number of +1/+1 counters removed this way. | Zoltan Boros

Alms Beast | Creature | Beast | Creatures blocking or blocked by Alms Beast have lifelink. | Dan Scott

Firemane Avenger | Creature | Angel | Flying
Battalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life. | Wayne Reynolds

Spark Trooper | Creature | Elemental Soldier | Trample, lifelink, haste
At the beginning of the end step, sacrifice Spark Trooper. | James Ryman

Soul Ransom | Enchantment | Aura | Enchant creature
You control enchanted creature.
Discard two cards: Soul Ransom's controller sacrifices it, then draws two cards. Only your opponents may activate this ability. | Steve Argyle

Whispering Madness | Sorcery | | Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.
Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.) | Clint Cearley

Fathom Mage | Creature | Human Wizard | Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)
Whenever a +1/+1 counter is put on Fathom Mage, you may draw a card. | Ryan Pancoast

Unexpected Results | Sorcery | | Shuffle your library, then reveal the top card. If it's a nonland card, you may cast it without paying its mana cost. If it's a land card, you may put it onto the battlefield and return Unexpected Results to its owner's hand. | Mike Bierek

Rubblebelt Raiders | Creature | Human Warrior | Whenever Rubblebelt Raiders attacks, put a +1/+1 counter on it for each attacking creature you control. | Chippy