As the name suggests, Meek Attack is kind of like Sneak Attack, in that you can use it to cheat a creature into play
The best card in Foundations Jumpstart has to go to Dionus, Elvish Archdruid (though Rev, Tithe Extractor and Scythecat Cub are strong contenders)
Or, possibly, Charizard has reached its hottest possible level
Heres the list we played: (31): 4 Archon of Emeria 3 A-Luminarch Aspirant 4 Skyclave Apparition 2 Elite Spellbinder 1 Brutal Cathar 1 Fleeting Spirit 4 Hopeful Initiate 4 Thalia, Guardian of Thraben 4 Inquisitor Captain 4 Sigardian Evangel (2): 2 The Wandering Emperor Spells (2): 2 Portable Hole (4): 1 Cave of the Frost Dragon 3 Eiganjo, Seat of the Empire 4 A-Faceless Haven 17 Snow-Covered Plains 2 Elite Spellbinder 1 Guardian of Faith 2 Portable Hole 2 Adeline, Resplendent Cathar 1 Brutal Cathar 3 Fleeting Spirit 2 Valorous Stance 1 Ao, the Dawn Sky 1 The Wandering Emperor You can find an Arena importable version here
Jund Sacrifice is one of those combo-style decks that demand high levels of familiarity from the pilot