Avacyn, Guardian Angel | Legendary Creature | Angel | Flying, vigilance
{1}{W}: Prevent all damage that would be dealt to another target creature this turn by sources of the color of your choice.
{5}{W}{W}: Prevent all damage that would be dealt to target player or planeswalker this turn by sources of the color of your choice. | Winona Nelson
Tireless Missionaries | Creature | Human Cleric | When Tireless Missionaries enters the battlefield, you gain 3 life. | Dave Kendall
Master of Predicaments | Creature | Sphinx | Flying
Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost. | Matt Stewart
Mercurial Pretender | Creature | Shapeshifter | You may have Mercurial Pretender enter the battlefield as a copy of a creature you control, except it has "{2}{U}{U}: Return this creature to its owner's hand." | Izzy
Nimbus of the Isles | Creature | Elemental | Flying (This creature can't be blocked except by creatures with flying or reach.) | Cliff Childs
Blood Host | Creature | Vampire | {1}{B}, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life. | Cynthia Sheppard
Indulgent Tormentor | Creature | Demon | Flying
At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life. | Wesley Burt
Nightfire Giant | Creature | Zombie Giant | Nightfire Giant gets +1/+1 as long as you control a Mountain.
{4}{R}: Nightfire Giant deals 2 damage to any target. | Dave Kendall
Rotfeaster Maggot | Creature | Insect | When Rotfeaster Maggot enters the battlefield, exile target creature card from a graveyard. You gain life equal to that card's toughness. | Yeong-Hao Han
Shadowcloak Vampire | Creature | Vampire | Pay 2 life: Shadowcloak Vampire gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.) | Cynthia Sheppard
Hoarding Dragon | Creature | Dragon | Flying
When Hoarding Dragon enters the battlefield, you may search your library for an artifact card, exile it, then shuffle.
When Hoarding Dragon dies, you may put the exiled card into its owner's hand. | Matt Cavotta
Thundering Giant | Creature | Giant | Haste (This creature can attack and {T} as soon as it comes under your control.) | Mark Zug
Charging Rhino | Creature | Rhino | Charging Rhino can't be blocked by more than one creature. | Daren Bader
Sliver Hivelord | Legendary Creature | Sliver | Sliver creatures you control have indestructible. (Damage and effects that say "destroy" don't destroy them.) | Aleksi Briclot