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.

Inspiring Unicorn

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

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.)

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.

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.)

Concordia Pegasus

Imperial Outrider

Take Vengeance

Intrusive Packbeast

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

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.

Inspired Charge

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

Citywide Bust

Destroy all creatures with toughness 4 or greater.

Bastion Enforcer

Haazda Officer

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

Dawning Angel

Flying
When this creature enters, you gain 4 life.

Prowling Caracal

Bond of Discipline

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