Guilds of Ravnica

Command the Storm | Instant | | Command the Storm deals 5 damage to target creature. | Jason Rainville

Sure Strike | Instant | | Target creature gets +3/+0 and gains first strike until end of turn. | Steve Argyle

Hypothesizzle | Instant | | Draw two cards. Then you may discard a nonland card. When you do, Hypothesizzle deals 4 damage to target creature. | Chris Seaman

Sonic Assault | Instant | | Tap target creature. Sonic Assault deals 2 damage to that creature's controller. 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.) | Tyler Walpole