You would want to maximize effects that say draw a card
Whats the Difference Between Draft and Sealed
Further Upgrades The first cards I'd pick up to further juice up the deck would be untapped mana-fixing lands: Watery Grave, Shipwreck Marsh, Underground River, Morphic Pool, Darkslick Shores, Polluted Delta, Sunken Ruins, Undercity Sewers, Urborg, Tomb of Yawgmoth and then maybe a couple more Island / Swamp fetches
Reanimate Reanimate requires lots of setup because you need a reanimation target and a way to get it into the graveyard, but its still cracked
Mystic Remora has a much lower mana cost and is much harder for your opponents to play around, but it has that pesky cumulative upkeep cost
Llanowar Tribe