Whenever another permanent you control enters, each opponent mills a card.

Whenever a permanent you control enters tapped, untap it.

Whenever a nonartifact permanent you control enters, you may return another permanent you control that shares a permanent type with it to its owner's hand.

Activated abilities of creatures cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

As this artifact enters, choose a card name. Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.

At the beginning of each player's upkeep, that player puts a flood counter on target non-Island land they control of their choice. That land is an Island for as long as it has a flood counter on it. At the beginning of each end step, if all lands on the battlefield are Islands, remove all flood counters from them.

Each player may play an additional land during each of their turns. Whenever a land is tapped for mana, return it to its owner's hand.

Tap an untapped Wizard you control: Draw a card.

Flying {2}, Return a land you control to its owner's hand: Tap target land.

Landfall — Whenever a land you control enters, target player mills three cards.

Flying {1}, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

Flying {2}, Return a land you control to its owner's hand: Target land becomes the basic land type of your choice until end of turn.

Flying {2}, Return a land you control to its owner's hand: Untap target land.

Flying {2}, Return a land you control to its owner's hand: Target creature gets -X/-0 until end of turn, where X is the number of cards in your hand.

Flying {2}, Return a land you control to its owner's hand: Draw a card, then discard a card.

Flying {2}, Return a land you control to its owner's hand: Target player mills two cards.

Flying {2}, Return a land you control to its owner's hand: Target creature with power 2 or less can't be blocked this turn.

Flying {3}, Return three lands you control to their owner's hand: Return target creature to its owner's hand.

Flying {3}, Return a land you control to its owner's hand: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flying {3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}.

Flying {4}, Return two lands you control to their owner's hand: Discard all the cards in your hand, then draw that many cards.

Whenever a land you control enters tapped, choose one — • Untap that land. • Tap target nonland permanent an opponent controls.

Flying {2}, Return two lands you control to their owner's hand: Copy target instant or sorcery spell. You may choose new targets for the copy.

Draw two cards.

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

{U}{U}, Return two Islands you control to their owner's hand: Return target creature to its owner's hand.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

If an opponent who controls at least as many lands as you do would put a land onto the battlefield, that player instead puts that land onto the battlefield then sacrifices a land of their choice.

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

Landfall — Whenever a land you control enters, choose one — • You may tap or untap target creature. • Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

{1}: Return target land you control to its owner's hand. {1}, Discard a land card: Draw a card.

Counter target spell.

Counter target spell. If an artifact or creature spell is countered this way, put that card onto the battlefield under your control instead of into its owner's graveyard.

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Search target opponent's library for four cards with different names and reveal them. That player chooses two of those cards. Put the chosen cards into the player's graveyard and the rest into your hand. Then that player shuffles their library.

Search your library for up to four cards with different names and reveal them. Target opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

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

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.

Counter target spell. Untap up to four lands.

Return target creature to its owner's hand. Untap up to two lands.

Return all lands to their owners' hands.

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

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

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

This land enters tapped. When this land enters, sacrifice it unless you return an untapped Island you control to its owner's hand. {T}: Add {C}{U}.

{T}: Add {C}. {0}: Return this land to its owner's hand. Activate only if it's not your turn.

Cumulative upkeep—Pay 2 life. (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 this land enters, sacrifice a land. Creatures you control can't attack. Prevent all damage that would be dealt to you.

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

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

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

Hexproof This land enters tapped. When this land enters, sacrifice two lands. {T}: Add three mana of any one color.

({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 {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}: Add {U}. {1}: Return Oboro to its owner's hand.

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

When this land enters, you gain 2 life. {T}: Add {C}.

When this land enters, it deals 1 damage to target player or planeswalker. {T}: Add {C}.

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

This land enters tapped. {1}, {T}: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Return this land to its owner's hand at the beginning of the next cleanup step.

This land enters tapped. {T}: Add {U}. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with mana value 0, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

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

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

+1: Tap target permanent. It doesn't untap during its controller's next untap step. −2: Draw a card for each tapped creature target player controls. −8: You get an emblem with "You have no maximum hand size" and "Whenever a card is put into your graveyard from anywhere, you may return it to your hand."

Return all artifacts and enchantments to their owners' hands.

Target creature gets -3/-0 until end of turn. 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.)

Enchant creature {1}, Tap an untapped creature you control: Untap enchanted creature.

This creature can't be blocked as long as defending player controls an enchantment.

Choose a creature type. Draw a card for each permanent you control of that type.

This artifact enters with X charge counters on it, where X is your life total. Landfall — Whenever a land you control enters, you may have your life total become the number of charge counters on this artifact.

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.

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.) Creatures that attacked during their controller's last turn can't attack.

{U}: Tap target green creature.

When Kaho enters, search your library for up to three instant cards, exile them, then shuffle. {X}, {T}: You may cast a spell with mana value X from among cards exiled with Kaho without paying its mana cost.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Until end of turn, if a player taps a nonbasic land for mana, it produces colorless mana instead of any other type.

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

Flying When this creature enters, look at the top four cards of your library, then put them back in any order.

Landfall — Whenever a land you control enters, you may pay {2}. If you do, draw a card.

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever this creature deals damage to an opponent, draw a card.