Serra's Hymn

At the beginning of your upkeep, you may put a verse counter on Serra's Hymn.
Sacrifice Serra's Hymn: Prevent the next X damage that would be dealt this turn to any number of targets, divided as you choose, where X is the number of verse counters on Serra's Hymn.

Plains

Blessed Reversal

You gain 3 life for each creature attacking you.

On Serra's Wings

Enchant creature
Enchanted creature is legendary, gets +1/+1, and has flying, vigilance, and lifelink.

Devout Harpist

{T}: Destroy target Aura attached to a creature.

Peace and Quiet

Sanctum Guardian

Sacrifice Sanctum Guardian: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Burst of Energy

Defensive Formation

Rather than the attacking player, you assign the combat damage of each creature attacking you. You can divide that creature's combat damage as you choose among any of the creatures blocking it.

Angelic Curator

Forbidding Watchtower

Forbidding Watchtower enters tapped.
{T}: Add {W}.
{1}{W}: Forbidding Watchtower becomes a 1/5 white Soldier creature until end of turn. It's still a land.

Rune of Protection: Green

{W}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.
Cycling {2} ({2}, Discard this card: Draw a card.)

Erase

Serra Disciple

Flying, first strike
Whenever you cast a historic spell, Serra Disciple gets +1/+1 until end of turn. (Artifacts, legendaries, and Sagas are historic.)

Angel's Trumpet

All creatures have vigilance.
At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. Angel's Trumpet deals damage to the player equal to the number of creatures tapped this way.

Serra Ascendant

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
As long as you have 30 or more life, Serra Ascendant gets +5/+5 and has flying.

Serra's Liturgy

At the beginning of your upkeep, you may put a verse counter on Serra's Liturgy.
{W}, Sacrifice Serra's Liturgy: Destroy up to X target artifacts and/or enchantments, where X is the number of verse counters on Serra's Liturgy.

Thran Quarry

At the beginning of the end step, if you control no creatures, sacrifice Thran Quarry.
{T}: Add one mana of any color.

Serra Faithkeeper

Invasion of Dominaria

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)
When Invasion of Dominaria enters, you gain 4 life and draw a card.

Invasion of Dominaria // Serra Faithkeeper

Serra Zealot

Mother of Runes

{T}: Target creature you control gains protection from the color of your choice until end of turn.

False Prophet

When False Prophet dies, exile all creatures.

Rune of Protection: Red

{W}: The next time a red source of your choice would deal damage to you this turn, prevent that damage.
Cycling {2} ({2}, Discard this card: Draw a card.)

Thran Dynamo

Clear

Destroy target enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)

Angelic Chorus

Whenever a creature you control enters, you gain life equal to its toughness.

Cathedral of Serra

White legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Monk Realist

When Monk Realist enters, destroy target enchantment.

Glorious Anthem

Monk Idealist

When Monk Idealist enters, return target enchantment card from your graveyard to your hand.

Opal Archangel

When an opponent casts a creature spell, if Opal Archangel is an enchantment, Opal Archangel becomes a 5/5 Angel creature with flying and vigilance.

Worship

If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Voltaic Key

Serra's Embrace

Enchant creature
Enchanted creature gets +2/+2 and has flying and vigilance.

Serra Redeemer

Flying
Whenever another creature you control with power 2 or less enters, put two +1/+1 counters on that creature.

Sanctimony

Whenever an opponent taps a Mountain for mana, you may gain 1 life.

Disciple of Grace

Protection from black
Cycling {2} ({2}, Discard this card: Draw a card.)

Serra's Boon

Enchant creature
Enchanted creature gets +1/+2 as long as it's white. Otherwise, it gets -2/-1.

Serra's Emissary

Flying
As Serra's Emissary enters, choose a card type.
You and creatures you control have protection from the chosen card type.

Radiant, Serra Archangel

Flying
Tap another untapped creature you control with flying: Radiant, Serra Archangel gains protection from the color of your choice until end of turn.
Partner (You can have two commanders if both have partner.)

Sustainer of the Realm

Flying
Whenever Sustainer of the Realm blocks, it gets +0/+2 until end of turn.

Serra Angel

Fend Off

Prevent all combat damage that would be dealt by target creature this turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

Serra Avatar

Serra Avatar's power and toughness are each equal to your life total.
When Serra Avatar is put into a graveyard from anywhere, shuffle it into its owner's library.

Karmic Guide

Flying, protection from black
Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Karmic Guide enters, return target creature card from your graveyard to the battlefield.

Humble

Until end of turn, target creature loses all abilities and has base power and toughness 0/1.

Congregate

Target player gains 2 life for each creature on the battlefield.

Serra Aviary

Martyr's Cause

Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

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.

Serra Paragon

Flying
Once during each of your turns, you may play a land from your graveyard or cast a permanent spell with mana value 3 or less from your graveyard. If you do, it gains "When this permanent is put into a graveyard from the battlefield, exile it and you gain 2 life."

Catastrophe

Destroy all lands or all creatures. Creatures destroyed this way can't be regenerated.

Drifting Meadow

Drifting Meadow enters tapped.
{T}: Add {W}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Pariah

Enchant creature
All damage that would be dealt to you is dealt to enchanted creature instead.

Silent Attendant

Intrepid Hero

{T}: Destroy target creature with power 4 or greater.

Serra's Blessing

Creatures you control have vigilance. (Attacking doesn't cause them to tap.)

Herald of Serra

Flying, vigilance
Echo {2}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Serra the Benevolent

+2: Creatures you control with flying get +1/+1 until end of turn.
−3: Create a 4/4 white Angel creature token with flying and vigilance.
−6: You get an emblem with "If you control a creature, damage that would reduce your life total to less than 1 reduces it to 1 instead."