Rally the Righteous

Radiance — Untap target creature and each other creature that shares a color with it. Those creatures get +2/+0 until end of turn.

Gorilla War Cry

Cast this spell only during combat before blockers are declared.
All creatures gain menace until end of turn. (They can't be blocked except by two or more creatures.)
Draw a card at the beginning of the next turn's upkeep.

Skred

Skred deals damage to target creature equal to the number of snow permanents you control.

Cerodon Yearling

Wojek Halberdiers

Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn.

Conduit Goblin

When Conduit Goblin enters, you get {E}{E} (two energy counters).
At the beginning of combat on your turn, you may pay {E}. If you do, another target creature you control gets +1/+0 and gains haste until end of turn.

Snow-Covered Plains

Goblin Legionnaire

{R}, Sacrifice Goblin Legionnaire: It deals 2 damage to any target.
{W}, Sacrifice Goblin Legionnaire: Prevent the next 2 damage that would be dealt to any target this turn.

Shattering Blow

Ramosian Rally

If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost.
Creatures you control get +1/+1 until end of turn.

Skyknight Legionnaire

Boros Recruit

({R/W} can be paid with either {R} or {W}.)
First strike

Viashino Firstblade

Haste
When Viashino Firstblade enters, it gets +2/+2 until end of turn.

Battlegate Mimic

Whenever you cast a spell that's both red and white, Battlegate Mimic has base power and toughness 4/2 until end of turn and gains first strike until end of turn.

Squee's Embrace

Enchant creature
Enchanted creature gets +2/+2.
When enchanted creature dies, return that card to its owner's hand.