Search target opponent's library for an artifact card and put that card onto the battlefield under your control. Then that player shuffles.

{T}: Add {C}.

{T}: Add {W} or {U}. Adarkar Wastes deals 1 damage to you.

{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.

{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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.)

Return target permanent to its owner's hand.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

{T}: Add {C}.

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

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

{T}: Add one mana of any color.

{T}: Put a charge counter on Coalition Relic.

At the beginning of your precombat main phase, remove all charge counters from Coalition Relic. Add one mana of any color for each charge counter removed this way.

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

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Counter target spell.

Return target nonland permanent you don't control to its owner's hand.

Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Search your library for a card, put that card into your hand, then shuffle.

Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, add {B}{B}{B}.

Add {B}{B}{B}.

Search your library for a card, put that card into your hand, then shuffle.

Search your library for a card, put that card into your hand, then shuffle.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Flying

{1}{W}{B}, {T}: Destroy target creature or enchantment.

{2}{U}: Untap Ethersworn Adjudicator.

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

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

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}: Add one mana of any color.

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

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

If Gemstone Caverns is in your opening hand and you're not the starting player, you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it. If you do, exile a card from your hand.

{T}: Add {C}. If Gemstone Caverns has a luck counter on it, instead add one mana of any color.

Flying

When Gilded Drake enters the battlefield, exchange control of Gilded Drake and up to one target creature an opponent controls. If you don't or can't make an exchange, sacrifice Gilded Drake. This ability still resolves if its target becomes illegal.

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

({T}: Add {W} or {B}.)

As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

White spells you cast cost {1} less to cast.

Blue spells you cast cost {1} less to cast.

Spells your opponents cast cost {1} more to cast.

Grand Coliseum enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.

When Grasp of Fate enters the battlefield, for each opponent, exile up to one target nonland permanent that player controls until Grasp of Fate leaves the battlefield. (Those permanents return under their owners' control.)

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

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

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Creature spells you cast cost {2} less to cast.

Creatures you control get -1/-1.

{X}, {T}: Target opponent mills a card, then repeats this process until a creature card or X cards have been put into their graveyard this way, whichever comes first. If one or more creature cards were put into that graveyard this way, sacrifice Helm of Obedience and put one of them onto the battlefield under your control. X can't be 0.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

({T}: Add {U}.)

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

0: Draw three cards, then put two cards from your hand on top of your library in any order.

-1: Return target creature to its owner's hand.

-12: Exile all cards from target player's library, then that player shuffles their hand into their library.

If Leyline of the Void is in your opening hand, you may begin the game with it on the battlefield.

If a card would be put into an opponent's graveyard from anywhere, exile it instead.

Look at the top five cards of your library. As many times as you choose, you may pay 1 life, put those cards on the bottom of your library in any order, then look at the top five cards of your library. Then shuffle and put the last cards you looked at this way on top in any order.

{T}, Pay 1 life: Add one mana of any color.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

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

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Creatures without flying can't attack.

If Mox Diamond would enter the battlefield, you may discard a land card instead. If you do, put Mox Diamond onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add one mana of any color.

Counter target instant or sorcery spell.

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.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Counter target spell.

At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

({U/P} can be paid with either {U} or 2 life.)

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

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

{T}: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts.

{U}, {T}: Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

When Rest in Peace enters the battlefield, exile all graveyards.

If a card or token would be put into a graveyard from anywhere, exile it instead.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

({T}: Add {W} or {B}.)

You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield.

At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn.

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

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

This spell can't be countered.

Destroy all creatures.

({T}: Add {B}.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

Equipped creature gets +2/+2 and has protection from black and from green.

Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.

Equip {2}

{T}: Add {C}.

{T}: Add one mana of any color. Tarnished Citadel deals 3 damage to you.

Your opponents play with their hands revealed.

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

Take an extra turn after this one. Exile Temporal Mastery.

Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

+1: Untap up to two target artifacts.

-X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.

-5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

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

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards, put them into your hand, then shuffle.

When Trinket Mage enters the battlefield, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

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

+2: Ugin, the Spirit Dragon deals 3 damage to any target.

-X: Exile each permanent with mana value X or less that's one or more colors.

-10: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield.

{T}: Add {C}.

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

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

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{T}: Add two mana of any one color. Spend this mana only to cast artifact spells or activate abilities of artifacts.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.

{U}, {T}, Discard a card: Return target creature to its owner's hand.

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

As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{W}, {T}: Search your library for a land card, reveal it, put it into your hand, then shuffle. Activate only if an opponent controls more lands than you.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Worn Powerstone enters the battlefield tapped.

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