Thriving Heath

This land enters tapped. As it enters, choose a color other than white.
{T}: Add {W} or one mana of the chosen color.

Cavalry Drillmaster

When this creature enters, target creature gets +2/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Valorous Stance

Choose one —
• Target creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
• Destroy target creature with toughness 4 or greater.

Combat Professor

Flying
At the beginning of combat on your turn, target creature you control gets +1/+0 and gains vigilance until end of turn.

Plains

Agrus Kos, Eternal Soldier

Vigilance
Whenever Agrus Kos becomes the target of an ability that targets only it, you may pay {1}{R/W}. If you do, copy that ability for each other creature you control that ability could target. Each copy targets a different one of those creatures. ({R/W} can be paid with either {R} or {W}.)

Sandstone Bridge

This land enters tapped.
When this land enters, target creature gets +1/+1 and gains vigilance until end of turn.
{T}: Add {W}.

Light of Hope

Choose one —
• You gain 4 life.
• Destroy target enchantment.
• Put a +1/+1 counter on target creature.

Angelic Cub

Whenever this creature becomes the target of a spell or ability for the first time each turn, put a +1/+1 counter on it.
As long as this creature has three or more +1/+1 counters on it, it has flying.

Tempered Veteran

{W}, {T}: Put a +1/+1 counter on target creature with a +1/+1 counter on it.
{4}{W}{W}, {T}: Put a +1/+1 counter on target creature.

Iron Bully

Menace (This creature can't be blocked except by two or more creatures.)
When this creature enters, put a +1/+1 counter on target creature.

Task Force

Whenever this creature becomes the target of a spell or ability, it gets +0/+3 until end of turn.

Angelic Protector

Flying
Whenever this creature becomes the target of a spell or ability, this creature gets +0/+3 until end of turn.

Weapon Rack

This artifact enters with three +1/+1 counters on it.
{T}: Move a +1/+1 counter from this artifact onto target creature. Activate only as a sorcery.