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

({T}: Add {U}.)

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

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

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

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

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

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

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

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

{T}: Add {U}.

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

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.

You may choose not to untap this creature during your untap step. As this creature enters, an opponent chooses a creature type. {T}: Gain control of target creature that isn't of the chosen type for as long as this creature remains tapped.

Enchant land Enchanted land has "{T}, Discard a card: Gain control of target creature until end of turn."

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

{U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.)

You may choose not to untap this creature during your untap step. {T}: Gain control of target creature with power less than or equal to this creature's power for as long as this creature remains tapped and that creature's power remains less than or equal to this creature's power.

{3}{U}, {T}, Discard a card: Untap target creature and gain control of it until end of turn. That creature gains haste until end of turn.

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.

Flying Landfall — Whenever a land you control enters, you may gain control of target creature for as long as you control this creature.

When you control no Islands, sacrifice this creature. You may choose not to untap this creature during your untap step. {T}: Gain control of target creature whose controller controls an Island for as long as you control this creature and this creature remains tapped.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Imperious Mindbreaker is paired with another creature, each of those creatures has "Whenever this creature attacks, each opponent mills cards equal to its toughness."

{2}{U}, {T}: Each player mills three cards. Exile up to two creature cards put into graveyards this way. Create an X/X blue Zombie creature token, where X is the total power of the cards exiled this way.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

When you cast this spell, you may return target creature card from your graveyard to the battlefield. Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

{1}, {T}, Discard a card: Put a study counter on Grimoire of the Dead. {T}, Remove three study counters from Grimoire of the Dead and sacrifice it: Put all creature cards from all graveyards onto the battlefield under your control. They're black Zombies in addition to their other colors and types.

{T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands.

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

Domain — Creatures can't attack you unless their controller pays {X} for each creature they control that's attacking you, where X is the number of basic land types among lands you control.

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.

Counter target spell.

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

Flying When this creature enters, you may return up to two target creatures to their owners' hands.

As this creature enters, turn all other nontoken creatures face down. (They're 2/2 creatures.) Ixidron's power and toughness are each equal to the number of face-down creatures on the battlefield.

Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.

Counter target noncreature spell.

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

Imprint — When this creature enters, you may exile target nontoken creature. This creature gets +X/+Y, where X is the exiled creature card's power and Y is its toughness.

Exile target artifact or creature. Its controller creates a 1/1 blue Bird creature token with flying. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Whenever this creature enters or attacks, put a slime counter on up to one other target creature. Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.

Return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control. Foretell {1}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Scry 2, then draw two cards. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw a card for each Island you control, then discard two cards.

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

Draw X cards.

Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Whenever an opponent casts a noncreature spell with mana value less than this creature's power, draw a card.

Enchant opponent Skip your draw step. Whenever enchanted opponent draws a card, you may draw a card.

Flying When this creature enters, shuffle the cards from your hand into your library, then draw that many cards. When this creature dies, shuffle the cards from your hand into your library, then draw that many cards.

Defender (This creature can't attack.) {T}: Target creature gets +0/+4 until end of turn.

Nonbasic lands don't untap during their controllers' untap steps.

Flying Landfall — Whenever a land you control enters, tap target creature an opponent controls. If that land is an Island, that creature doesn't untap during its controller's next untap step.