Call to Arms

As Call to Arms enters, choose a color and an opponent.
White creatures get +1/+1 as long as the chosen color is the most common color among nontoken permanents the chosen player controls but isn't tied for most common.
When the chosen color isn't the most common color among nontoken permanents the chosen player controls or is tied for most common, sacrifice Call to Arms.

Monstrous Growth

Target creature gets +4/+4 until end of turn.

Might of Oaks

Target creature gets +7/+7 until end of turn.

Holy Strength

Enchant creature
Enchanted creature gets +1/+2.

White Scarab

Enchant creature
Enchanted creature can't be blocked by white creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a white permanent.

Lance

Enchant creature
Enchanted creature has first strike.

Stampede

Attacking creatures get +1/+0 and gain trample until end of turn.

Reflexes

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has first strike. (It deals combat damage before creatures without first strike.)

Army of Allah

Attacking creatures get +2/+0 until end of turn.

Blanchwood Armor

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Dwarven Armory

{2}, Sacrifice a land: Put a +2/+2 counter on target creature. Activate only during any upkeep step.

Blue Scarab

Enchant creature
Enchanted creature can't be blocked by blue creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a blue permanent.

Berserk

Cast this spell only before the combat damage step.
Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Exoskeletal Armor

Enchant creature
Enchanted creature gets +X/+X, where X is the number of creature cards in all graveyards.

Hero's Resolve

Enchant creature
Enchanted creature gets +1/+5.

Nocturnal Raid

Black creatures get +2/+0 until end of turn.

Bad Moon

Familiar Ground

Each creature you control can't be blocked by more than one creature.

Immolation

Enchant creature
Enchanted creature gets +2/-2.

Aspect of Wolf

Enchant creature
Enchanted creature gets +X/+Y, where X is half the number of Forests you control, rounded down, and Y is half the number of Forests you control, rounded up.

Fit of Rage

Target creature gets +3/+3 and gains first strike until end of turn.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Elvish Champion

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

Fanatical Fever

Target creature gets +3/+0 and gains trample until end of turn.

Shield Wall

Creatures you control get +0/+2 until end of turn.

Warrior's Honor

Creatures you control get +1/+1 until end of turn.

Green Scarab

Enchant creature
Enchanted creature can't be blocked by green creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a green permanent.

Giant Strength

Enchant creature
Enchanted creature gets +2/+2.

Jihad

As Jihad enters, choose a color and an opponent.
White creatures get +2/+1 as long as the chosen player controls a nontoken permanent of the chosen color.
When the chosen player controls no nontoken permanents of the chosen color, sacrifice Jihad.

Giant Growth

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

Morale

Attacking creatures get +1/+1 until end of turn.

Glorious Anthem

Righteousness

Target blocking creature gets +7/+7 until end of turn.

Blessing

Enchant creature
{W}: Enchanted creature gets +1/+1 until end of turn.

Orcish Oriflamme

Attacking creatures you control get +1/+0.

The Brute

Enchant creature
Enchanted creature gets +1/+0.
{R}{R}{R}: Regenerate enchanted creature.

Battle Frenzy

Green creatures you control get +1/+1 until end of turn.
Nongreen creatures you control get +1/+0 until end of turn.

Fear

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Red Scarab

Enchant creature
Enchanted creature can't be blocked by red creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a red permanent.

Blood Lust

If target creature has toughness 5 or greater, it gets +4/-4 until end of turn. Otherwise, it gets +4/-X until end of turn, where X is its toughness minus 1.

Divine Transformation

Enchant creature
Enchanted creature gets +3/+3.

Holy Armor

Enchant creature
Enchanted creature gets +0/+2.
{W}: Enchanted creature gets +0/+1 until end of turn.

Errantry

Enchant creature
Enchanted creature gets +3/+0 and can only attack alone.

Granite Grip

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control.

Relentless Assault

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Feast of the Unicorn

Enchant creature
Enchanted creature gets +4/+0.

Unholy Strength

Enchant creature
Enchanted creature gets +2/+1.

Eternal Warrior

Enchant creature
Enchanted creature has vigilance.

Black Scarab

Enchant creature
Enchanted creature can't be blocked by black creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a black permanent.

Piety

Blocking creatures get +0/+3 until end of turn.

Howl from Beyond

Target creature gets +X/+0 until end of turn.

Camouflage

Cast this spell only during your declare attackers step.
This turn, instead of declaring blockers, each defending player chooses any number of creatures they control and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player. Creatures those players control that can block additional creatures may likewise be put into additional piles. Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so. (Piles can be empty.)

Ashnod's Battle Gear

You may choose not to untap Ashnod's Battle Gear during your untap step.
{2}, {T}: Target creature you control gets +2/-2 for as long as Ashnod's Battle Gear remains tapped.