Temur Battle Rage

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.) Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

Shattering Spree

Replicate {R} (When you play this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Destroy target artifact.

Sulfur Falls

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R} to your mana pool.

Monastery Swiftspear

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Apostle's Blessing

({W/P} can be paid with with either {W} or 2 life.) Target artifact or creature you control gains protection from artifacts or from the color of your choice until end of turn.

Gut Shot

({R/P} can be paid with either {R} or 2 life.) Gut Shot deals 1 damage to target creature or player.

Mutagenic Growth

({G/P} can be paid with either {G} or 2 life.) Target creature gets +2/+2 until end of turn.

Serum Visions

Draw a card. Scry 2 (Look at the top two cards of your library. Put any number of them on the bottom of your library and the rest on top of it in any order.)

Izzet Staticaster

Flash (You may cast this spell any time you could cast an instant.) Haste {T}: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature.

Distortion Strike

Target creature gets +1/+0 until end of turn and is unblockable this turn. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Kiln Fiend

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

Assault Strobe

Target creature gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Twisted Image

Switch target creature's power and toughness until end of turn. Draw a card.

Manamorphose

Add two mana in any combination of colors to your mana pool. Draw a card.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Shivan Reef

{T}: Add {1} to your mana pool. {T}: Add {U} or {R} to your mana pool. Shivan Reef deals 1 damage to you.

Sudden Shock

Split second (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.) Sudden Shock deals 2 damage to target creature or player.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Steam Vents

Dispel

Slip Through Space

Mana Confluence

Thing in the Ice/Awoken Horror

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)