*Buondì,
nuove carte...!
Sunhome Guildmage{R}{W}
Creature - Human Wizard
Uncommon

{R}{W}: Creatures you control get +1/+0 until end of turn.

{R}{W}: Put a 1/1 red and white Soldier creature token with haste onto the battlefield.
2/2
Stolen Identity {4}{U}{U}
Sorcery
Rare
Put a token onto the battlefield that's a copy of target artifact or creature.
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.)
Mind Grind 
{U}{B}
Sorcery
Rare
Each opponent reveals cards from the top of his or her library until he or she reveals X land cards, then puts all cards revealed this way into his or her graveyard. X can't be 0.
Boros Keyrune {3}
Artifact
Uncommon

: Add

or

to your mana pool.

{W}: Boros Keyrune becomes a 1/1 red and white Soldier artifact creature with double strike until end of turn.
Crocanura 
{G}
Creature - Crocodile Frog
Common
Reach
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.)
1/3
Dimir Charm {U}{B}
Instant
Uncommon
Choose one - Counter target sorcery spell; or destroy target creature with power 2 or less; or look at the top three cards of target player's library, then put one back and the rest into that player's graveyard.
Urban Evolution 
{G}{U}
Sorcery
Uncommon
Draw three cards. You may play an additional land this turn.
Signal the Clans 
{G}
Instant
Uncommon
Search your library for three creature cards and reveal them. If you searched for three cards with different names, choose one at random at put it into your hand. Shuffle the rest into your library.
Il dimir charm non mi sembra così forte come i precedenti, ma magari mi sbaglio.. Invece il tutore RG istant per creature non mi sembra affatto male.