Whenever another permanent enters the battlefield under your control, each opponent mills a card.

Whenever a permanent enters the battlefield tapped and under your control, untap it.

You may play lands from your graveyard.

Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

As Gauntlet of Power enters the battlefield, choose a color. Creatures of the chosen color get +1/+1. Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

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

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

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

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

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

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.

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

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Flying, indestructible Kefnet the Mindful can't attack or block unless you have seven or more cards in hand. {3}{U}: Draw a card, then you may return a land you control to its owner's hand.

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: Untap target land.

Flying Landfall — Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.

Flash Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Hexproof

Flying Soramaro, First to Dream's power and toughness are each equal to the number of cards in your hand. {4}, Return a land you control to its owner's hand: Draw a card.

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 enters the battlefield tapped and under your control, choose one — • Untap that land. • Tap target nonland permanent an opponent controls.

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.

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.

Whenever a player casts a creature spell, that player sacrifices a permanent unless they pay {1}.

Creatures don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped nongreen creatures they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.

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

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.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Whenever a player puts a nontoken creature onto the battlefield, that player returns a land they control to its owner's hand.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}."

Landfall — Whenever a land enters the battlefield under your control, 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 of your library.)

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

Lands don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player untaps a land they control.

Players skip their untap steps. At the beginning of your upkeep, sacrifice Stasis unless you pay {U}.

At the beginning of each player's upkeep, that player chooses artifact, creature, land, or non-Aura enchantment. All nontoken permanents of that type phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

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

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.

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.")

You may return an Island you control to its owner's hand rather than pay this spell's mana cost. Counter target spell unless its controller pays {1}.

As an additional cost to cast this spell, return a land you control to its owner's hand. Counter target spell.

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

Return all noncreature, nonland permanents to their owners' hands.

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

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

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

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

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.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

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 {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {U}. {1}: Return Oboro, Palace in the Clouds to its owner's hand.

When Radiant Fountain enters the battlefield, you gain 2 life. {T}: Add {C}.

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