This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{2}, {T}: Add {B} for each Swamp you control.

As this land enters, you may reveal an Island or Swamp card from your hand. If you don't, this land enters tapped. {T}: Add {U} or {B}.

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

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

({T}: Add {U} or {B}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

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

You have no maximum hand size. {T}: Add {C}.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {U} or {B}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

Each land is a Swamp in addition to its other land types.

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

{T}: Add one mana of any color. {T}: Put a charge counter on this artifact. At the beginning of your first main phase, remove all charge counters from this artifact. Add one mana of any color for each charge counter removed this way.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

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

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

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Imprint — When this artifact enters, you may exile an instant card with mana value 2 or less from your hand. {2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

{2}: This artifact becomes a copy of target artifact, creature, enchantment, or land until end of turn.

Whenever you cast a spell, untap all nonland permanents you control.

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

{T}: Add {C}. {T}: Add {U} or {B}. This artifact deals 1 damage to you.

{T}: Each player draws a card.

You have no maximum hand size. {T}: Add {C}.

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

Untap all artifacts you control during each other player's untap step.

You may cast spells as though they had flash.

+1: Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library. −1: Untap up to four target permanents. −10: You get an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn any time you could cast an instant." Teferi, Temporal Archmage can be your commander.

Flying, deathtouch When this creature enters, draw a card.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Return six target nonland permanents to their owners' hands.

Return up to three target artifacts and/or creatures to their owners' hands. You may cast a spell with mana value 4 or less from your hand without paying its mana cost.

For each opponent, gain control of target permanent that player controls.

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

Each player can't cast more than one spell each turn.

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

Enchant player Whenever enchanted player is attacked, you draw a card. Each opponent attacking that player does the same.

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

Whenever a permanent deals damage to you, return it to its owner's hand.

If this card is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its mana cost.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

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

Enchant creature When this Aura enters, untap up to five lands. You control enchanted creature.

For each attacking creature, its owner puts it on their choice of the top or bottom of their library.

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.

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.

Counter target spell.

Choose two — • Counter target spell. • Return target permanent to its owner's hand. • Tap all creatures your opponents control. • Draw a card.

Each player returns a creature they control to its owner's hand.

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.")

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner's library instead of into that player's graveyard.

Choose an opponent. You and that player each draw three cards. Choose an opponent. Untap all nonland permanents you control and all nonland permanents that player controls.

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.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Counter target spell. If that spell is countered this way, put it into its owner's hand instead of into that player's graveyard. Draw a card.

Counter target spell. Untap up to four lands.

Counter target spell. Create X Treasure tokens, where X is that spell's mana value. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

Return target spell or creature to its owner's hand.