Have (Arena)

Herald of Faith

Flying
Whenever Herald of Faith attacks, you gain 2 life.

Plains

Pegasus Courser

Flying
Whenever Pegasus Courser attacks, another target attacking creature gains flying until end of turn.

Loxodon Line Breaker

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.

Daybreak Chaplain

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Silverbeak Griffin

Flying (This creature can't be blocked except by creatures with flying or reach.)

Star-Crowned Stag

Whenever Star-Crowned Stag attacks, tap target creature defending player controls.

Zetalpa, Primal Dawn

Flying, double strike, vigilance, trample, indestructible

Spiritual Guardian

When Spiritual Guardian enters, you gain 4 life.

Inspiring Commander

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

Tactical Advantage

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

Serra Angel

Take Vengeance

Angelic Reward

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

Oreskos Swiftclaw

Leonin Warleader

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

Meteor Golem

When Meteor Golem enters, destroy target nonland permanent an opponent controls.

Confront the Assault

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