Impassioned Orator

Whenever another creature you control enters, you gain 1 life.

Goring Ceratops

Double strike
Whenever Goring Ceratops attacks, other creatures you control gain double strike until end of turn.

Plains

Charmed Stray

Lifelink
When Charmed Stray enters, put a +1/+1 counter on each other creature you control named Charmed Stray.

Spiritual Guardian

When Spiritual Guardian enters, you gain 4 life.

Leonin Warleader

Whenever Leonin Warleader attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.

Angelic Reward

Enchant creature
Enchanted creature gets +3/+3 and has flying.

Angelic Guardian

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever one or more creatures you control attack, they gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

Angel of Vitality

Flying
If you would gain life, you gain that much life plus 1 instead.
This creature gets +2/+2 as long as you have 25 or more life.

Confront the Assault

Cast this spell only if a creature is attacking you.
Create three 1/1 white Spirit creature tokens with flying.

Inspiring Commander

Whenever another creature you control with power 2 or less enters, you gain 1 life and draw a card.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Hallowed Priest

Whenever you gain life, put a +1/+1 counter on Hallowed Priest.

Bond of Discipline

Tap all creatures your opponents control. Creatures you control gain lifelink until end of turn.

Tactical Advantage

Target blocking or blocked creature you control gets +2/+2 until end of turn.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Fencing Ace

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

Moorland Inquisitor

{2}{W}: Moorland Inquisitor gains first strike until end of turn. (It deals combat damage before creatures without first strike.)