Choose a color. Target player reveals their hand and you choose a card of that color from it. That player discards that card.

Domain -- Target player draws a card for each basic land type among lands they control.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Ancestral Knowledge enters the battlefield, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.

When Ancestral Knowledge leaves the battlefield, shuffle your library.

Ancient Spring enters the battlefield tapped.

{T}: Add {U}.

{T}, Sacrifice Ancient Spring: Add {W}{B}.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep.

You draw a card at the beginning of the next turn's upkeep.

If target opponent has more cards in hand than you, draw cards equal to the difference.

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

{3}, {T}: Until end of turn, you may cast instant and sorcery spells from the top of your graveyard. If a spell cast this way would be put into a graveyard, exile it instead.

Draw two cards, then discard a card.

{T}: Add {U}. Cephalid Coliseum deals 1 damage to you.

Threshold -- {U}, {T}, Sacrifice Cephalid Coliseum: Target player draws three cards, then discards three cards. Activate only if seven or more cards are in your graveyard.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.

When you play another land, sacrifice City of Traitors.

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

Destroy all creatures. They can't be regenerated. Draw a card for each creature destroyed this way.

Cycling {3}{B}{B} ({3}{B}{B}, Discard this card: Draw a card.)

When you cycle Decree of Pain, all creatures get -2/-2 until end of turn.

Counter target instant or sorcery spell unless its controller pays {1}.

Draw a card.

Domain -- Counter target spell unless its controller pays {1} for each basic land type among lands you control.

Counter target instant spell.

Flood Plain enters the battlefield tapped.

{T}, Sacrifice Flood Plain: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Each player discards any number of cards, then draws that many cards.

Draw a card.

You may discard an Island card and another card rather than pay this spell's mana cost.

Counter target spell.

Draw two cards, then discard two cards. Untap up to three lands.

Play with the top card of your library revealed.

You may play lands and cast spells from the top of your library.

Target player discards two cards at random.

As an additional cost to cast this spell, discard X cards.

Search your library for X cards, then shuffle and put those cards on top in any order.

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

Target player draws cards equal to the number of cards in their hand, then discards that many cards.

{T}: Add {C}.

{T}: Draw a card. Activate only if you have exactly seven cards in hand.

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

{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.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

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

Change the target of target spell with a single target.

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.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

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

When Phyrexian Gargantua enters the battlefield, you draw two cards and you lose 2 life.

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.

Kicker {1}{B} (You may pay an additional {1}{B} as you cast this spell.)

Draw three cards, then discard two cards. If this spell was kicked, target player discards two cards.

Kicker {2} (You may pay an additional {2} as you cast this spell.)

Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Return target permanent to its owner's hand. Then that player discards a card.

Rocky Tar Pit enters the battlefield tapped.

{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Target opponent discards a card at random, then discards a card.

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

You may return three Islands you control to their owner's hand rather than pay this spell's mana cost.

Counter target spell.

Target player takes two extra turns after this one.

Target player takes an extra turn after this one.

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

Discard all the cards in your hand, then draw that many cards.

You may exile a black card from your hand rather than pay this spell's mana cost.

Target player reveals their hand. You choose a nonland card from it. That player discards that card.