Omnispell Adept

{2}{U}, {T}: You may cast an instant or sorcery spell from your hand without paying its mana cost.

Mountain

Sonic Assault

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.)

Direct Current

Direct Current deals 2 damage to any target.
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.)

Erratic Cyclops

Trample
Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value.

Command the Storm

Command the Storm deals 5 damage to target creature.

Rubblebelt Boar

When this creature enters, target creature gets +2/+0 until end of turn.

Precision Bolt

Precision Bolt deals 3 damage to any target.

Wee Dragonauts

Flying
Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn.

Fearless Halberdier

Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.

Izzet Guildgate

This land enters tapped.
{T}: Add {U} or {R}.

Island

Vedalken Mesmerist

Whenever this creature attacks, target creature an opponent controls gets -2/-0 until end of turn.

Passwall Adept

{2}{U}: Target creature can't be blocked this turn.

Hellkite Whelp

Flying
Whenever this creature attacks, it deals 1 damage to target creature defending player controls.

Ral's Dispersal

Return target creature to its owner's hand. You may search your library and/or graveyard for a card named Ral, Caller of Storms, reveal it, and put it into your hand. If you search your library this way, shuffle.

Maximize Altitude

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.)

Muse Drake

Flying
When this creature enters, draw a card.

Fire Urchin

Trample
Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn.

Ral, Caller of Storms

+1: Draw a card.
−2: Ral deals 3 damage divided as you choose among one, two, or three targets.
−7: Draw seven cards. Ral deals 7 damage to each creature your opponents control.

Leapfrog

This creature has flying as long as you've cast an instant or sorcery spell this turn.

Ral's Staticaster

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Whenever this creature attacks, if you control a Ral planeswalker, this creature gets +1/+0 for each card in your hand until end of turn.

Chemister's Insight

Draw two cards.
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.)