Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy. {3}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy. {4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. {3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Protection from blue Cycling {2} ({2}, Discard this card: Draw a card.)

Flash When Burrog Befuddler enters the battlefield, target creature an opponent controls gets -1/-0 until end of turn.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

When Druid of Purification enters the battlefield, starting with you, each player may choose an artifact or enchantment you don't control. Destroy each permanent chosen this way.

When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.

Flash When Frilled Mystic enters the battlefield, you may counter target spell.

Trample, haste Whenever Froghemoth deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on Froghemoth for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Golgari Grave-Troll enters the battlefield with a +1/+1 counter on it for each creature card in your graveyard. {1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll. Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

Flash (You may cast this spell any time you could cast an instant.) When Haze Frog enters the battlefield, prevent all combat damage that other creatures would deal this turn.

Landfall — Whenever a land enters the battlefield under your control, target player mills three cards.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

If you would draw a card while your library has no cards in it, you win the game instead.

Leapfrog has flying as long as you've cast an instant or sorcery spell this turn.

Spells can't be countered. Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Changeling (This card is every creature type.) When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Changeling (This card is every creature type.) Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Graft 3 (This creature enters the battlefield with three +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.) {2}: Target creature with a +1/+1 counter on it gains shroud until end of turn. (It can't be the target of spells or abilities.)

Changeling (This card is every creature type.) As Realmwalker enters the battlefield, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library.

When Riftsweeper enters the battlefield, choose target face-up exiled card. Its owner shuffles it into their library.

{T}: Add one mana of any color. {T}: Add two mana of any one color. Spend this mana only to cast spells from your graveyard. {G}{U}, {T}, Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

Flash At the beginning of your upkeep, each player mills three cards. You may exile a creature card from among the cards milled this way. If you do, Shadow Kin becomes a copy of that card, except it has this ability.

Sacrifice Spore Frog: Prevent all combat damage that would be dealt this turn.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Enchant land Whenever enchanted land becomes tapped, its controller mills three cards.

When Court of Cunning enters the battlefield, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

At the beginning of your upkeep, you may mill two cards. Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token.

Whenever you cast a blue spell, target player mills two cards.

Enchant player At the beginning of each end step, enchanted player mills X cards, where X is the number of cards put into their graveyard from anywhere this turn.

Enchant creature Enchanted creature loses all abilities and has base power and toughness 1/1.

Enchant creature When Kenrith's Transformation enters the battlefield, draw a card. Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

Exile up to three target enchantments. Cycling {2} ({2}, Discard this card: Draw a card.)

Target player mills three cards. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Create a token that's a copy of target creature you control. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Choose one. If you control a commander as you cast this spell, you may choose both. • Target player draws X cards. • Target player mills twice X cards.

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Mill two cards. Draw a card.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Target player mills a card. Draw a card at the beginning of the next turn's upkeep.

Target player mills two cards. Draw a card.

{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

{T}: Add {C}. {G}{U}, {T}: You may cast spells this turn as though they had flash.

{T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

({T}: Add {G}.)

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

{T}: Add {C}. {T}, Pay 1 life: Add {U}. {1}{U}, {T}, Sacrifice a Desert: Target player mills four cards.

({T}: Add {U}.)

{T}: Add {C}. {2}, {T}: Each player draws a card.

({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 {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {4}, {T}, Sacrifice Sequestered Stash: Mill five cards. Then you may put an artifact card from your graveyard on top of your library.

If you would draw a card while your library has no cards in it, you win the game instead. +1: Target player mills two cards. Draw a card. −8: Draw seven cards. Then if your library has no cards in it, you win the game.

+1: Untap up to one target creature and up to one target land. −2: Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard. −8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may have it fight target creature." Then create three 8/8 blue Octopus creature tokens.

Spells and abilities your opponents control can't cause you to discard cards or sacrifice permanents. +1: Choose a nonland card name, then reveal the top four cards of your library. Put all cards with the chosen name from among them into your hand and the rest into your graveyard. −3: Return target card from your graveyard to your hand.

Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand. Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog. Flashback {3}{G}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Return target card from your graveyard to your hand.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Tap an untapped creature you control: Target player mills a card.

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

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.