{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

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}: Untap target artifact or creature.

Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Arcane Sanctum enters the battlefield tapped.

{T}: Add {W}, {U}, or {B}.

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

{T}: Draw three cards.

{2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

{T}: Draw a card.

Artifact and enchantment spells your opponents cast cost {2} more to cast.

Sacrifice Aura of Silence: Destroy target artifact or enchantment.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Whenever a creature you control deals combat damage to a player, you may draw a card.

{1}{U}, {T}: Creatures your opponents control attack this turn if able.

{T}: Add {W}.

{T}: Add {B}.

{X}{B}, {T}: Target player reveals X cards from their hand and you choose one of them. That player discards that card. Activate only as a sorcery.

Commander creatures you own have "When this creature enters or leaves the battlefield, draw a card."

Whenever another Human enters the battlefield under your control, untap Captain of the Mists.

{1}{U}, {T}: You may tap or untap target permanent.

{T}: Add {C}.

{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

{T}: Add {U}.

{T}: Add {B}.

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

Equipped creature gets +1/+1 for each color among permanents you control.

As long as Conqueror's Flail is attached to a creature, your opponents can't cast spells during your turn.

Equip {2}

Counter target spell.

Counter target noncreature spell. Its controller loses 2 life.

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

Enchant permanent

Enchanted permanent has hexproof.

When enchanted permanent leaves the battlefield, if it was historic, draw two cards. (Artifacts, legendaries, and Sagas are historic.)

Destroy target creature. A creature destroyed this way can't be regenerated.

Overload {2}{W}{W} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

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

Counter target spell. If the spell is countered this way, exile it with three time counters on it instead of putting it into its owner's graveyard. If it doesn't have suspend, it gains suspend. (At the beginning of its owner's upkeep, remove a time counter from that card. When the last is removed, the player plays it without paying its mana cost. If it's a creature, it has haste.)

{T}: Destroy target land.

At the beginning of your upkeep, unless you pay {B}{B}{B}, tap Demonic Hordes and sacrifice a land of an opponent's choice.

Exile target permanent with mana value 4 or greater.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

Dimir Aqueduct enters the battlefield tapped.

When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand.

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

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

Counter target spell with mana value 4 or greater.

This spell can't be countered.

Counter target noncreature spell.

Defender (This creature can't attack.)

Flying

Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

When Dromar's Cavern enters the battlefield, sacrifice it unless you return a non-Lair land you control to its owner's hand.

{T}: Add {W}, {U}, or {B}.

Drowned Catacomb enters the battlefield tapped unless you control an Island or a Swamp.

{T}: Add {U} or {B}.

{1}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

X can't be 0.

Target spell's controller exiles it with X delay counters on it.

At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

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

{T}: You may tap or untap another target permanent.

Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Add {C}.

{W/B}, {T}: Add {W}{W}, {W}{B}, or {B}{B}.

{T}: Add one mana of any color.

Whenever you tap Forbidden Orchard for mana, target opponent creates a 1/1 colorless Spirit creature token.

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Ghastlord of Fugue can't be blocked.

Whenever Ghastlord of Fugue deals combat damage to a player, that player reveals their hand. You choose a card from it. That player exiles that card.

Enchant creature

When enchanted creature dies, return that card to the battlefield under its owner's control. Return Gift of Immortality to the battlefield attached to that creature at the beginning of the next end step.

{T}: Add three mana of any one color.

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

{T}: Add {W} or {U}.

Flying

{U}, Sacrifice Glen Elendra Archmage: Counter target noncreature spell.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Counter target spell that targets a permanent you control.

Draw a card.

Exile target nonland permanent an opponent controls and all tokens that player controls with the same name as that permanent.

Flying

When Magister Sphinx enters the battlefield, target player's life total becomes 10.

Merieke Ri Berit doesn't untap during your untap step.

{T}: Gain control of target creature for as long as you control Merieke Ri Berit. When Merieke Ri Berit leaves the battlefield or becomes untapped, destroy that creature. It can't be regenerated.

{B}, Sacrifice a creature: Target opponent reveals their hand. You choose a card from it. That player discards that card. Activate only as a sorcery.

Trample

Whenever Mindleech Mass deals combat damage to a player, you may look at that player's hand. If you do, you may cast a spell from among those cards without paying its mana cost.

{T}: Add {C}.

{W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

Counter target noncreature spell.

Equipped creature has shroud. (It can't be the target of spells or abilities.)

{U}{U}: Attach Neurok Stealthsuit to target creature you control.

Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flying

{U}, {T}: You may tap or untap target creature.

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{B}.

{T}: Add one mana of any color.

{1}, {T}: Untap target legendary creature you control.

Enchant creature

{U}: Untap enchanted creature.

{U}: Enchanted creature gains flying until end of turn.

{U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

Counter target spell unless its controller discards their hand.

Transmute {1}{U}{B} ({1}{U}{B}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

At the beginning of your upkeep, you draw a card and you lose 1 life.

{U}, {T}: You may tap or untap target creature.

{T}: Add one mana of any type that a land you control could produce.

Kicker {5} (You may pay an additional {5} as you cast this spell.)

Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy.

Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Shipwreck Marsh enters the battlefield tapped unless you control two or more other lands.

{T}: Add {U} or {B}.

Flying

{U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

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

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

Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

You may activate abilities of creatures you control as though those creatures had haste.

{1}, {T}: Untap target creature.

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

{U}, {T}: You may tap or untap another target creature.

Landfall -- Whenever a land enters the battlefield under your control, you may untap Tideforce Elemental.

Defender

{T}: Exchange target opponent's life total with Tree of Perdition's toughness.

Counter target spell that targets a permanent you control.

{T}: Add {C}.

{T}: Add {U} or {B}. Underground River deals 1 damage to you.

{U}, {T}: Return target permanent you control to its owner's hand.

Destroy target permanent.

This spell can't be countered.

Destroy target nonland permanent.

Wishclaw Talisman enters the battlefield with three wish counters on it.

{1}, {T}, Remove a wish counter from Wishclaw Talisman: Search your library for a card, put it into your hand, then shuffle. An opponent gains control of Wishclaw Talisman. Activate only during your turn.

{T}: Until your next upkeep, target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.