{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card. Partner (You can have two commanders if both have partner.)

{T}: Flip a coin. If you win the flip, destroy all nonland permanents.

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 in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add one mana of any color that a land an opponent controls could produce.

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

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

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

This creature enters with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards. {2}{U}, Remove a +1/+1 counter from this creature: Draw a card, then discard a card.

Aeon Chronicler's power and toughness are each equal to the number of cards in your hand. Suspend X—{X}{3}{U}. X can't be 0. Whenever a time counter is removed from this card while it's exiled, draw a card.

Flying, trample At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on this creature for each 1 life lost this way. Whenever a player loses the game, put five +1/+1 counters on this creature.

Haste (This creature can attack and {T} as soon as it comes under your control.) Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards. Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

{1}{U}{R}: Return this creature to its owner's hand. Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

When this creature dies, you may exile it. If you do, reveal cards from the top of your library until you reveal a creature card. Put that card onto the battlefield and put all other cards revealed this way into your graveyard.

Whenever this creature deals combat damage to a player, draw that many cards. {1}, Discard a card: This creature gets +1/+1 until end of turn.

First strike At the beginning of each opponent's end step, that player creates a 1/1 red Goblin creature token with "Creatures you control attack each combat if able."

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature attacks and isn't blocked, defending player loses 1 life for each card in their graveyard.

Flash Flying, trample Whenever you draw a card, you gain 1 life.

{T}: Add {C} for each card you've drawn this turn. Partner (You can have two commanders if both have partner.)

At the beginning of your upkeep, you may have target opponent discard a card at random. Whenever an opponent discards a card, you may create a 1/1 green Elf Warrior creature token.

Flying {5}{R}, Exile this card from your graveyard: Each player discards their hand, then draws seven cards.

Flying Whenever a creature an opponent controls dies, you may gain 3 life. Whenever an opponent discards a card, you may gain 3 life.

When this creature enters, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

Flying, trample Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard.

Defender When this creature enters, draw a card.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Enchant permanent When this Aura enters and at the beginning of your upkeep, gain control of enchanted permanent until end of turn. Untap that permanent. It gains haste until end of turn.

Draw cards equal to the number of cards in your hand, then discard a card for each card drawn this way. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Bituminous Blast deals 4 damage to target creature.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Undaunted (This spell costs {1} less to cast for each opponent.) Destroy two target creatures.

Return all creatures to their owners' hands.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

This land enters tapped. {T}: Add {U}, {B}, or {R}.

This land enters tapped. When this land enters, you gain 1 life. {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 one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

This land enters tapped. {T}: Add {G}, {U}, or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {B} or {G}.

({T}: Add {R}.)

This land enters tapped. {T}: Add {B}, {G}, or {U}.

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

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

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {R} or {G}.

This land enters tapped. When this land enters, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

This land enters tapped. {T}: Add {B}, {R}, or {G}.

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

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

({T}: Add {B}.)

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

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

Create thirteen tapped 2/2 black Zombie creature tokens. Flashback {7}{B}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

Return all nonland permanents to their owners' hands. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Exile all creature cards from target player's graveyard in a face-down pile, shuffle that pile, then manifest those cards. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Put target creature card from a graveyard onto the battlefield under your control. It gains haste. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Destroy all creatures you don't control and all planeswalkers you don't control.

Destroy target creature. You draw X cards and you lose X life, where X is the number of counters on that creature.

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Treacherous Terrain deals damage to each opponent equal to the number of lands that player controls. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Return target instant or sorcery card from your graveyard to your hand. Volcanic Vision deals damage equal to that card's mana value to each creature your opponents control. Exile Volcanic Vision.

Suspend 4—{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) Each player discards their hand, then draws seven cards.

Starting with you, each player separates all permanents they control into three piles. Then each player chooses one of their piles at random and sacrifices those permanents. (Piles can be empty.)

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way. Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.