Flying, trample

You can't win the game and your opponents can't lose the game.

Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

{T}: Add one mana of any color in your commander's color identity.

Flying

Archfiend of the Dross enters the battlefield with four oil counters on it.

At the beginning of your upkeep, remove an oil counter from Archfiend of the Dross. Then if it has no oil counters on it, you lose the game.

Whenever a creature an opponent controls dies, its controller loses 2 life.

Until end of turn, target creature gets +1/+0 and gains indestructible. (Damage and effects that say "destroy" don't destroy it.)

Equipped creature gets +2/+2, has haste, can't attack you or planeswalkers you control, and can't be sacrificed.

At the beginning of each opponent's upkeep, you may have that player gain control of equipped creature until end of turn. If you do, untap it.

Equip {3}

Menace

When Atris, Oracle of Half-Truths enters the battlefield, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Flying, trample

Whenever an opponent casts a spell, that player creates a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")

Whenever Bloodvial Purveyor attacks, it gets +1/+0 until end of turn for each Blood token defending player controls.

Tap target creature you don't control.

Overload {3}{U} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

At the beginning of your upkeep, the Ring tempts you.

Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.

Whenever Caustic Bronco attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if Caustic Bronco isn't saddled. Otherwise, each opponent loses that much life.

Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Charcoal Diamond enters the battlefield tapped.

{T}: Add {B}.

Flying

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

You may exile two blue cards from your hand rather than pay this spell's mana cost.

Gain control of target noncreature spell. You may choose new targets for it. (If that spell is an artifact, enchantment, or planeswalker, the permanent enters the battlefield under your control.)

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Enchant creature

You control enchanted creature.

Flying

Whenever Coveted Falcon attacks, gain control of target permanent you own but don't control.

Disguise {1}{U}

When Coveted Falcon is turned face up, target opponent gains control of any number of target permanents you control. Draw a card for each one they gained control of this way.

Enchant creature

Whenever enchanted creature deals damage to an opponent, you may draw a card.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

Indestructible

{T}: Add one mana of any color.

Flying

At the beginning of your upkeep, sacrifice a creature other than Demonic Taskmaster.

When Departed Deckhand becomes the target of a spell, sacrifice it.

Departed Deckhand can't be blocked except by Spirits.

{3}{U}: Another target creature you control can't be blocked this turn except by Spirits.

{1}, {T}: Add {U}{B}.

Counter target spell with mana value 4 or greater.

Counter target instant spell.

Enchant creature

You control enchanted creature.

At the beginning of your end step, if enchanted creature's power is 4 or greater, sacrifice Domestication.

Destroy target nonblack creature.

Flying

Whenever a player casts a spell, you lose 1 life.

Counter target creature spell.

Non-Eye creatures you control can't attack.

Evil Eye of Orms-by-Gore can't be blocked except by Walls.

{T}: Add one mana of any color that a land an opponent controls could produce.

Return all noncreature, nonland permanents to their owners' hands.

As an additional cost to cast this spell, you may exile any number of creature cards from your graveyard. This spell costs {2} less to cast for each card exiled this way.

Deathtouch

Whenever Gorex, the Tombshell attacks or dies, choose a card at random exiled with Gorex and put that card into its owner's hand.

Destroy six target creatures.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

At the beginning of your end step, target opponent gains control of up to one target creature you control. Put two +1/+1 counters on it and tap it. It's goaded for the rest of the game and it gains "This creature can't be sacrificed." (It attacks each combat if able and attacks a player other than you if able.)

Whenever a creature you own but don't control attacks, you draw a card.

{T}: Add {C}.

{T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

Flying

At the beginning of your upkeep, each opponent draws a card.

Flying

Whenever Meneldor, Swift Savior deals combat damage to a player, exile up to one target creature you own, then return it to the battlefield under your control.

{T}: Add {C}.

{1}, {T}, Sacrifice Mind Stone: Draw a card.

When Priest of the Blood Rite enters the battlefield, create a 5/5 black Demon creature token with flying.

At the beginning of your upkeep, you lose 2 life.

Flying

{7}{U}: Adapt 4. This ability costs {1} less to activate for each instant and sorcery card in your graveyard. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

You have no maximum hand size.

{T}: Add {C}.

River Sneak can't be blocked.

Whenever another Merfolk enters the battlefield under your control, River Sneak gets +1/+1 until end of turn.

{T}: Add {U}. If you played a land this turn, add {B} instead.

Flying

At the beginning of your upkeep, sacrifice an artifact other than Rust Elemental. If you can't, tap Rust Elemental and you lose 4 life.

Spree (Choose one or more additional costs.)

+ {2} -- Exchange control of two target creatures.

+ {1} -- Exchange control of two target artifacts.

+ {1} -- Exchange control of two target enchantments.

Sky Diamond enters the battlefield tapped.

{T}: Add {U}.

Tap all creatures target player controls. Those creatures don't untap during that player's next untap step.

When Sleeper Agent enters the battlefield, target opponent gains control of it.

At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.

Slither Blade can't be blocked.

{T}: Add {C}{C}.

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.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Exchange control of target noncreature spell and target creature. Then the spell's controller may choose new targets for it.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Flying

As Talion, the Kindly Lord enters the battlefield, choose a number between 1 and 10.

Whenever an opponent casts a spell with mana value, power, or toughness equal to the chosen number, that player loses 2 life and you draw a card.

{T}: Add {C}.

{T}: Add {U} or {B}. Talisman of Dominance deals 1 damage to you.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

I -- You may exchange control of two target creatures.

II -- You may exchange control of two target nonbasic, noncreature permanents that share a card type.

III -- Target player loses 3 life and you gain 3 life.

Flying

Your maximum hand size is reduced by three.

Flying

Your maximum hand size is reduced by two.

You have no maximum hand size.

{T}: Add {C}.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Draw three cards.

Target creature gets +X/-X until end of turn, where X is the number of cards in your hand.

(Gain the next level as a sorcery to add its ability.)

You have no maximum hand size.

{2}{U}: Level 2

When this Class becomes level 2, draw two cards.

{4}{U}: Level 3

Whenever you draw a card, put a +1/+1 counter on target creature you control.

Target opponent gains control of target creature. (If an attacking or blocking creature changes controllers, it's removed from combat.)