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.)

Command the Storm

Command the Storm deals 5 damage to target creature.

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.

Essence Backlash

Counter target creature spell. Essence Backlash deals damage equal to that spell's power to its controller.

Rielle, the Everwise

Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard.
Whenever you discard one or more cards for the first time each turn, draw that many cards.

Rubblebelt Boar

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

Reliquary Tower

You have no maximum hand size.
{T}: Add {C}.

Fearless Halberdier

Hellkite Whelp

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

Leapfrog

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

Narset, Parter of Veils

Each opponent can't draw more than one card each turn.
−2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Nivix Cyclops

Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.

Erratic Cyclops

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

Wee Dragonauts

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

Izzet Locket

{T}: Add {U} or {R}.
{U/R}{U/R}{U/R}{U/R}, {T}, Sacrifice Izzet Locket: Draw two cards.

Precision Bolt

Precision Bolt deals 3 damage to any target.

Cancel

Muse Drake

Flying
When Muse Drake enters, draw a card.

Omnispell Adept

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

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.)

Fire Urchin

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

Ral's Staticaster

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

Experimental Overload

Create an X/X blue and red Weird creature token, where X is the number of instant and sorcery cards in your graveyard. Then you may return an instant or sorcery card from your graveyard to your hand. Exile Experimental Overload.

Island

Goblin Electromancer

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

Mountain

Ral, Caller of Storms

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

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.)

Vedalken Mesmerist

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