Infantry Veteran

{T}: Target attacking creature gets +1/+1 until end of turn.

Heroic Reinforcements

Create two 1/1 white Soldier creature tokens. Until end of turn, creatures you control get +1/+1 and gain haste. (They can attack and {T} this turn.)

Sunlance

Sunlance deals 3 damage to target nonwhite creature.

Plains

Fireborn Knight

Double strike
{R/W}{R/W}{R/W}{R/W}: This creature gets +1/+1 until end of turn.

Footfall Crater

Enchant land
Enchanted land has "{T}: Target creature gains trample and haste until end of turn."
Cycling {1} ({1}, Discard this card: Draw a card.)

Viashino Firstblade

Haste
When this creature enters, it gets +2/+2 until end of turn.

Garrison Sergeant

This creature has double strike as long as you control a Gate.

Bulk Up

Double target creature's power until end of turn.
Flashback {4}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Hammer Dropper

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Indomitable Will

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +1/+2.

Nobilis of War

Flying
Attacking creatures you control get +2/+0.

Inspiring Veteran

Mardu Runemark

Enchant creature
Enchanted creature gets +2/+2.
Enchanted creature has first strike as long as you control a white or black permanent.

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.)
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Truefire Captain

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
Whenever this creature is dealt damage, it deals that much damage to target player.

Skyknight Legionnaire

Boros Guildgate

This land enters tapped.
{T}: Add {R} or {W}.

Foundry Champion

When this creature enters, it deals damage to any target equal to the number of creatures you control.
{R}: This creature gets +1/+0 until end of turn.
{W}: This creature gets +0/+1 until end of turn.

Daily Regimen

Enchant creature
{1}{W}: Put a +1/+1 counter on enchanted creature.

Swiftblade Vindicator

Double strike (This creature deals both first-strike and regular combat damage.)
Vigilance (Attacking doesn't cause this creature to tap.)
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Swathcutter Giant

Vigilance
Whenever this creature attacks, it deals 1 damage to each creature defending player controls.

Fencing Ace

Double strike (This creature deals both first-strike and regular combat damage.)

Highspire Mantis

Tenth District Legionnaire

Haste
Whenever you cast a spell that targets this creature, put a +1/+1 counter on this creature, then scry 1.

Legion Guildmage

{5}{R}, {T}: This creature deals 3 damage to each opponent.
{2}{W}, {T}: Tap another target creature.

Boros Challenger

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
{2}{R}{W}: This creature gets +1/+1 until end of turn.

Iroas's Champion

Mountain

Flames of the Raze-Boar

Flames of the Raze-Boar deals 4 damage to target creature an opponent controls. Then Flames of the Raze-Boar deals 2 damage to each other creature that player controls if you control a creature with power 4 or greater.