Prodigal Sorcerer

{T}: This creature deals 1 damage to any target.

Pyrotechnics

Pyrotechnics deals 4 damage divided as you choose among any number of targets.

Zuran Orb

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Counterspell

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Land Tax

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Mind Bomb

Each player may discard up to three cards. Mind Bomb deals damage to each player equal to 3 minus the number of cards they discarded this way.

Incinerate

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Boomerang

Return target permanent to its owner's hand.

Portent

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Island

Adarkar Wastes

{T}: Add {C}.
{T}: Add {W} or {U}. This land deals 1 damage to you.

Disenchant

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.