As Katerina of Myra's Marvels enters, choose a letter. Whenever you cast a spell whose name begins with the chosen letter, create a white 2/2 Cat creature token with flying. Partner (You can have two commanders if they both have partner.)

Flash Natural Shelter — When this creature enters, you may return another permanent you control to its owner's hand.

Flash Flying When this creature enters, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

Create two 1/1 white Human creature tokens. Adamant — If at least three white mana was spent to cast this spell, you gain 1 life for each creature you control.

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Create a 1/1 white Soldier creature token.

Create four 1/1 white Dog creature tokens.

First strike (This creature deals combat damage before creatures without first strike.) At the beginning of your upkeep, sacrifice this creature unless you discard a card. At the beginning of your draw step, you may have this creature deal 3 damage to target creature.

Flying Delirium — Sacrifice another creature: This creature gets +2/+1 until end of turn. Activate only if there are four or more card types among cards in your graveyard.

Vigilance This creature has all activated abilities of all legendary creatures you control.

Destroy all artifacts, creatures, and enchantments. Cycling {3} ({3}, Discard this card: Draw a card.)

Whenever a creature is put into your graveyard from the battlefield, you may sacrifice this enchantment. If you do, return that card to the battlefield.

You may pay {2}{W}{W} rather than pay this spell's mana cost. If the {2}{W}{W} cost was paid, an opponent chooses up to two nonland permanents they control and returns them to their owner's hand. Destroy all nonland permanents.

Choose a number between 0 and 10. Destroy all creatures with power greater than or equal to the chosen number.

Destroy all creatures with power greater than target creature's power.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Destroy all nontoken creatures.

Destroy all creatures. They can't be regenerated. Threshold — If seven or more cards are in your graveyard, instead destroy all creatures, then create two 1/1 white Spirit creature tokens with flying. Creatures destroyed this way can't be regenerated.

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

Each player who controls a creature with power 4 or greater draws a card. Then destroy all creatures.

Return all creature cards from your graveyard to the battlefield. Each of them is a 1/1 Spirit with flying in addition to its other types. Exile Storm of Souls.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) As this enchantment enters, choose a creature type. Creatures you control of the chosen type get +1/+1. As long as you have the city's blessing, they also have vigilance.

Enchant creature Enchanted creature gets +1/+1. You may cast this card from your graveyard by paying {2}{W} rather than paying its mana cost.

Untap all creatures you control. Creatures you control with flying get +2/+2 until end of turn.

{T}: Add {C}. {1}, {T}: Add one mana of any color. {4}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sorcery.

({T}: Add {W}.)

{T}: Add {C}. {2}, {T}, Sacrifice this land: Draw a card if you control an artifact. Draw a card if you control an enchantment.

Destroy target creature with power 4 or greater. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature Enchanted creature has indestructible and is goaded. (It attacks each combat if able and attacks a player other than you if able.) {1}{W}: Exile enchanted creature.

Exile target nonland permanent. Its controller creates a 3/2 red and white Spirit creature token.

Defender When this creature enters, target player mills three cards. (They put the top three cards of their library into their graveyard.) {3}: Put target card from a graveyard on the bottom of its owner's library.

Exile target opponent's graveyard. For each creature card exiled this way, create a 1/1 colorless Spirit creature token.

Flying Sacrifice this creature: Exile target player's graveyard.

Choose one — • Exile target creature with power 4 or greater. • Exile target enchantment.

Enchant creature Enchanted creature loses all abilities and is a Coward creature with base power and toughness 0/1. (It keeps all supertypes but loses all other types and creature types.)

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Target blocking creature gets +7/+7 until end of turn.

Sacrifice this creature: Destroy target enchantment.

Whenever this Vehicle attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

This artifact enters tapped. {T}, Sacrifice this artifact: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Flying {3}, {T}, Tap another untapped creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

{3}{W}: Look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

{2}, {T}, Sacrifice a creature: Draw a card. As long as you control a Cleric, this artifact has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

Whenever equipped creature deals combat damage to a player, you may draw a card. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 1/1 white Spirit creature token with flying. Then each player draws a card.

Flying, lifelink At the beginning of your end step, if you descended this turn, scry 1. (You descended if a permanent card was put into your graveyard from anywhere.)

Lifelink Coven — Whenever this creature enters or attacks, if you control three or more creatures with different powers, return target permanent card with mana value 3 or less from your graveyard to the battlefield.

Choose one or both — • Return target creature card from your graveyard to your hand. • Return target artifact card from your graveyard to your hand.

Return target creature card from your graveyard to the battlefield.

Return target creature card with mana value 3 or less from your graveyard to the battlefield. Create a Young Hero Role token attached to it. (Enchanted creature has "Whenever this creature attacks, if its toughness is 3 or less, put a +1/+1 counter on it." If you put another Role on the creature later, put this one into the graveyard.)