Spoiler de algumas cartas de ALARA REBORN

Aven Mimeomancer - 1WU
Creature - Bird Wizard (Rare)
Flying
At the beginning of your upkeep, you may put a wing counter on target creature. If you do, that creature is 3/1 and has flying as long as it has a wing counter on it.
3/1
#2/145
Ethercaste Knight - WU
Artifact Creature - Human Knight (Common)
Exalted
1/3
#3/145
Soulquake* - 3UUBB
Sorcery (Rare)
Return all creatures in play and all creatures from all graveyards to their owners' hands.
Illus. Warrey Mahy
#30/145
Bituminous Blast - 3BR
Instant (Uncommon)
Double cast (When you play this spell, reveal cards from the top of your library until you reveal a nonland card with lesser converted mana cost. You may play that card without paying its mana cost. Put the rest of the revealed cards on the bottom of your library in a random order.)
Bituminous Blast deals 4 damage to target creature.
#34/145
Exsanguination* - 2BR
Sorcery (Rare)
Name a nonland card. Target player reveals his or her hand. Exsanguination deals 3 damage to that player for each card with that name in his or her hand. Search that player's graveyard, hand, and library for all cards with that name and remove them from the game. Then that player shuffles his or her library.
#47?/145
Dragon Broodmother - 2RRRG
Creature - Dragon (Mythic Rare)
Flying
At the beginning of each upkeep, put a 1/1 red and green Dragon creature token with flying and devour 2 into play. (As the token comes into play, you may sacrifice any number of creatures. It comes into play with twice that many +1/+1 counters on it.)
4/4
Illus. Jean-Sebastien Rossbach
#53/145
Knight of New Alara - 2GW
Creature - Human Knight (Rare)
Each other multicolored creature you control gets +1/+1 for each of its colors.
2/2
Illus. David Palumbo
#70/145
Nemesis of Reason - 3UB
Creature - Horror Leviathan (Rare)
Whenever Nemesis of Reason attacks, defending player puts the top 10 cards of his or her library into his or her graveyard.
3/7
Terminate - BR
Instant (Common)
Destroy target creature. It can't be regenerated.
#36/145
Spellbreaker Behemoth - 1RGG
Creature - Beast (Rare)
Spellbreaker Behemoth can't be countered.
Creature spells you control with power 5 or greater can't be countered.
5/5
Illus. Jason Chan
#60/145
Pale Recluse - 4GW
Creature - Spider (Common)
Reach
Forestcycling {2} ({2}, discard this card: Search your library for a forest card and put it into your hand. Then shuffle your library.)
Plainscycling {2} ({2}, discard this card: Search your library for a plains card and put it into your hand. Then shuffle your library.)
4/5
#74/145
Sage of the Anima* - 3GU
Creature - Elf Wizard (Rare)
If you would draw a card, reveal the top three cards of your library instead. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.
3/4
#103/145
Jund Muckcutter* - {BG}R
Creature - Goblin Beserker (Common)
As long you control another multicolored permanent, Jund Muckcutter gains +1/+1 and haste.
2/1
Illus. Dan Dos Santos
#138/145
Marisi Twinclaw* - 2{rw}G
Creature - Cat Warrior (Uncommon)
Double strike
2/4
#140/145
Spellbound Dragon* - 3UR
Creature - Dragon (Rare)
Flying.
Whenever Spellbound Dragon attacks, draw a card, then discard a card. Spellbound Dragon gets +X/+0 until end of turn, where X is the converted mana cost of the discarded card.
3/5
Unscythe, Killer of Kings* - UBBR
Legendary Artifact - Equipment (Rare)
Equipped creature gets +3/+3 and first strike.
Whenever a creature dealt damage by the equipped creature is put into a graveyard, you may remove it from the game. If you do, put a 2/2 black zombie creature token into play.
Equip {2}

-----Other Cards not yet spoiled but that we know the names of:

Ardent Plea - 1WU
Enchantment - (U)
?
Lich Lord of Unx - 1UB
Creature - ? (R)
?
Filigree Angel - 5WWU
Artifact Creature - Angel? (R)
?
Dauntless Escort - 1GW
Creature - Rhino? (R)
?
Veinfire Borderpost - ?
?
Wildfield Borderpost - ?
?
Mistvein Borderpost - ?
?
Fieldmist Borderpost - ?
?
Firewild Borderpost - ?