Guilds of Ravnica

Maximize Altitude | Sorcery | | Target creature gets +1/+1 and gains flying until end of turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | Mike Bierek

Vicious Rumors | Sorcery | | Vicious Rumors deals 1 damage to each opponent. Each opponent discards a card, then mills a card. You gain 1 life. | David Palumbo

Maximize Velocity | Sorcery | | Target creature gets +1/+1 and gains haste until end of turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) | Svetlin Velinov

Prey Upon | Sorcery | | Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.) | G-host Lee