The card selection gives you plenty of fuel for the early and midgame, followed by Jace, Telepath Unbound providing the card advantage needed to turn the corner
1 Kodama's Reach
Ten gates were released with that Magic set, one for each of the 10 Ravnican guilds (Izzet Guildgate, Orzhov Guildgate, and Simic Guildgate, and so on for each color pair), each of which enters the battlefield tapped and taps for 1 mana of either of the guild's colors
Soltari Emissary Rarity: Common TYPE: Creature SUBTYPE: Soltari Soldier CMC: 2 Mana cost: USD: $0.00 EUR: 0.00 TIX: 0.05 EDHREC RANK: 28669 (2/1) : This creature gains shadow until end of turn
It can be used to find combos to put in, but it can also be used to help pin down any accidental combos you weren't intending
That's from another mini-set called Special Guests, which I'll get back to later