Plains

Serra's Guardian

Flying (This creature can't be blocked except by creatures with flying or reach.)
Vigilance (Attacking doesn't cause this creature to tap.)
Other creatures you control have vigilance.

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.)

Show of Valor

Target creature gets +2/+4 until end of turn.

Loxodon Lifechanter

When this creature enters, you may have your life total become the total toughness of creatures you control.
{5}{W}: This creature gets +X/+X until end of turn, where X is your life total.

Sephara, Sky's Blade

You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost.
Flying, lifelink
Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Citywide Bust

Destroy all creatures with toughness 4 or greater.

Intrusive Packbeast

Vigilance
When this creature enters, tap up to two target creatures your opponents control.

Inspiring Unicorn

Whenever this creature attacks, creatures you control get +1/+1 until end of turn.

Righteous Blow

Righteous Blow deals 2 damage to target attacking or blocking creature.

Concordia Pegasus

Imperial Outrider

Prowling Caracal

Bond of Discipline

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

Haazda Officer

When this creature enters, target creature you control gets +1/+1 until end of turn.

Inspired Charge

Creatures you control get +2/+1 until end of turn.

Bastion Enforcer

Take Vengeance

Dawning Angel

Flying
When this creature enters, you gain 4 life.

Trusted Pegasus

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature attacks, target attacking creature without flying gains flying until end of turn.