Equipped creature gets +2/+0, has vigilance, and is a Knight in addition to its other types.

Whenever equipped creature attacks, create a 2/2 white Knight creature token with vigilance that's attacking.

Equip

Flash

When Singer of Swift Rivers enters the battlefield, put a shield counter on another target creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.)

You may cast Merfolk spells as though they had flash.

When Siona, Captain of the Pyleas enters the battlefield, look at the top seven cards of your library. You may reveal an Aura card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Whenever an Aura you control becomes attached to a creature you control, create a 1/1 white Human Soldier creature token.

Devoid (This card has no color.)

Whenever a land enters the battlefield under an opponent's control, that player exiles the top two cards of their library and you draw two cards.

Flying

Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)

When Siren of the Fanged Coast enters the battlefield, if tribute wasn't paid, gain control of target creature.

Flash

Psychic Abomination — When Sister of Silence enters the battlefield, counter target instant spell, sorcery spell, activated ability, or triggered ability.

: Target creature blocks Sisters of Stone Death this turn if able.

: Exile target creature blocking or blocked by Sisters of Stone Death.

: Put a creature card exiled with Sisters of Stone Death onto the battlefield under your control.

Multikicker (You may pay an additional any number of times as you cast this spell.)

Haste

Skitter of Lizards enters the battlefield with a +1/+1 counter on it for each time it was kicked.

: Add .

Sacrifice Skull of Ramos: Add .

Flying

Whenever Skystrike Officer attacks, create a 1/1 colorless Soldier artifact creature token.

Tap three untapped Soldiers you control: Draw a card.

, , Discard your hand: Draw a card for each creature you control.

Gain control of target creature. Untap that creature. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Tap target creature. It doesn't untap during its controller's next untap step.

Escape—, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Change the text of target spell or permanent by replacing all instances of one color word with another. <I>(For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)</I>

Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.)

When Snake of the Golden Grove enters the battlefield, if tribute wasn't paid, you gain 4 life.

Flying

When Soaring Show-Off enters the battlefield, each player draws a card.

, : Target player shuffles their library.

Protection from multicolored

Whenever an opponent casts a multicolored spell, you gain 1 life.

Destroy target artifact or enchantment. You gain 4 life.

Mill four cards. Whenever a creature attacks this turn, it gets +1/+0 until end of turn for each creature card put into your graveyard this way.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I — Scry 2, then draw two cards.

II — Create a Treasure token and a 2/2 blue Bird creature token with flying.

III — Put a flying counter on each creature you control without flying.

Choose up to two target permanent cards in your graveyard. Roll a d20 and add the total mana value of those cards.

1–14 | Return those cards to your hand.

15+ | Return those cards to your hand. You gain life equal to their total mana value.

Enchant creature or Vehicle

When Song of Stupefaction enters the battlefield, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Fathomless descent — Enchanted permanent gets -X/-0, where X is the number of permanent cards in your graveyard.

Whenever you cast a spell, populate. (Create a token that's a copy of a creature token you control.)

Add for each creature card in your graveyard.

, : Sorcerer of the Fang deals 2 damage to target opponent or planeswalker.

Other Snake creatures you control get +1/+0.

Whenever a Warrior you control deals combat damage to a creature, destroy that creature at end of combat.

Soul of Eternity's power and toughness are each equal to your life total.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Whenever you cast a Spirit or Arcane spell, Soul of Magma deals 1 damage to target creature.

Trample

: Permanents you control gain indestructible until end of turn.

, Exile Soul of New Phyrexia from your graveyard: Permanents you control gain indestructible until end of turn.

First strike

: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.

, Exile Soul of Shandalar from your graveyard: Soul of Shandalar deals 3 damage to target player or planeswalker and 3 damage to up to one target creature that player or that planeswalker's controller controls.

Flying

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever Soul of Windgrace enters the battlefield or attacks, you may put a land card from a graveyard onto the battlefield tapped under your control.

, Discard a land card: You gain 3 life.

, Discard a land card: Draw a card.

, Discard a land card: Soul of Windgrace gains indestructible until end of turn. Tap it.

, Sacrifice a creature: Draw a card.

As an additional cost to cast this spell, discard a card or sacrifice a permanent.

Fathomless descent — Souls of the Lost's power is equal to the number of permanent cards in your graveyard and its toughness is equal to that number plus 1.

Flying

As Sower of Discord enters the battlefield, choose two players.

Whenever damage is dealt to one of the chosen players, the other chosen player also loses that much life.

Choose target creature. Exile the top card of your library. You may have Spark of Creativity deal damage to that creature equal to the exiled card's mana value. If you don't, you may play that card until end of turn.

Spectacle (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

Flying, trample

At the beginning of your upkeep, Spawn of Mayhem deals 1 damage to each player. Then if you have 10 or less life, put a +1/+1 counter on Spawn of Mayhem.

Flying

When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Vigilance, lifelink

: Create a 4/4 white Angel creature token with flying. Activate only if you have at least 7 life more than your starting life total and only as a sorcery.

Flying

When Specter of Mortality enters the battlefield, you may exile one or more creature cards from your graveyard. When you do, each other creature gets -X/-X until end of turn, where X is the number of cards exiled this way.

Sphere of Annihilation enters the battlefield with X void counters on it.

At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it.

If a black source would deal damage to you, prevent 2 of that damage.

If an artifact would deal damage to you, prevent 1 of that damage.

Spells cost more to cast.

Sphere of the Suns enters the battlefield tapped and with three charge counters on it.

, Remove a charge counter from Sphere of the Suns: Add one mana of any color.

Flying, ward

Domain — Whenever Sphinx of Clear Skies deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.)

You may reveal this card from your opening hand. If you do, scry 3 at the beginning of your first upkeep.

Flying

At the beginning of your upkeep, scry 1.

Kicker (You may pay an additional as you cast this spell.)

Flying

When Sphinx of Lost Truths enters the battlefield, draw three cards. Then if it wasn't kicked, discard three cards.