While negated by careful play, Mangara, the Diplomats abilities are dangerously easy to activate
So if precons are such an undeniably big deal, why isnt Wizards selling any for its two big upcoming crossover sets this year: Spider-Man and Avatar: The Last Airbender
5 Riptide Gearhulk Borderless - $83.65 A bit of a bomb that will no doubt make a huge splash in decks that love to blink cards, Riptide Gearhulk has a ton of potential to cause problems for your opponents
Mana fixing is great

Adrix and Nev Token Doublers Adrix and Nev, Twincasters | Illustration by Andrew Mar Commander (1) Planeswalkers (3) Nissa, Voice of Zendikar Garruk, Primal Hunter Oko, the Ringleader Creatures (20) Elvish Mystic Llanowar Elves Cankerbloom Coiling Oracle Elvish Visionary Kazandu Tuskcaller Champion of Wits Reclamation Sage Biowaste Blob Nadir Kraken Tireless Provisioner Arasta of the Endless Web Master Biomancer Mirrorhall Mimic Reef Worm Timeless Witness Quina, Qu Gourmet Mitotic Slime Progenitor Mimic Rampaging Baloths Instants (14) March of Swirling Mist Tamiyo's Safekeeping Counterspell Decisive Denial Defend the Rider Deprive Double Major Growth Spiral Beast Within Cackling Counterpart Curious Herd Perplexing Test Elminster's Simulacrum Supplant Form Sorceries (15) Ponder Portent Preordain Blue Sun's Twilight Farseek Nature's Lore Rampant Growth Cultivate Kodama's Reach Quasiduplicate Rite of Replication Overrun Shamanic Revelation Titania's Command Clone Legion Enchantments (3) Awakening Zone Paradox Zone Zendikar's Roil Artifacts (7) Sol Ring Arcane Signet Mind Stone Simic Signet Talisman of Curiosity Mimic Vat Sequence Engine Lands (37) Ash Barrens Command Tower Evolving Wilds Forest x16 Hinterland Harbor Island x10 Simic Growth Chamber Tangled Islet Tanglepool Bridge Temple of Mystery Thornwood Falls Vineglimmer Snarl Yavimaya Coast Where Jinnie Fay went tall, Adrix and Nev, Twincasters is a token deck that wants to go wide

I really love this as a way to end games quicker for combat-focused decks, and it gets stronger the more combats you take