Assault Strobe

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

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Mountain

Spellweaver Eternal

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.)

Rush of Adrenaline

Target creature gets +2/+1 and gains trample until end of turn.

Island

Nimble-Blade Khenra

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

Dangerous Wager

Crimson Wisps

Target creature becomes red and gains haste until end of turn. (It can attack and {T} this turn.)
Draw a card.

Barge In

Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.

Enter the Enigma

Target creature can't be blocked this turn.
Draw a card.

Target Minotaur

Dwarven Forge-Chanter

Ward—Pay 2 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 2 life.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Monastery Swiftspear

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

Brainstorm

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

Lightning Visionary

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Brute Strength

Target creature gets +3/+1 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Temur Battle Rage

Target creature gains double strike until end of turn.
Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

Sanguinary Mage

Brute Force

Target creature gets +3/+3 until end of turn.

Jeskai Sage

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When Jeskai Sage dies, draw a card.