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 Aeon Chronicler while it's exiled, draw a card.

Enchant creature

Enchanted creature has hexproof and can't be blocked by more than one creature.

Destroy all white permanents.

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.)

Enchant creature

Enchanted creature can't be blocked.

Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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.)

{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.)

If an opponent controls seven or more lands, this spell costs {6} less to cast.

Flying

{R}: Avatar of Fury gets +1/+0 until end of turn.

Attacking creatures you control have double strike.

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.

At the beginning of combat on your turn, target creature you control gains double strike until end of turn.

Flying, trample

At the beginning of your upkeep, each player loses 1 life. Put a +1/+1 counter on Blood Tyrant for each 1 life lost this way.

Whenever a player loses the game, put five +1/+1 counters on Blood Tyrant.

Haste

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.)

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

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

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. 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.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

When Coiling Oracle enters the battlefield, 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.

{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 Commander's Sphere: Draw a card.

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.

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.

Crumbling Necropolis enters the battlefield tapped.

{T}: Add {U}, {B}, or {R}.

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

Destroy two target creatures.

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.)

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

{T}: Add {U} or {B}.

Equipped creature has "Whenever you draw a card, this creature gets +1/+1 and gains flying until end of turn" and "{4}: Draw a card."

Whenever a Wizard creature enters the battlefield, you may attach Diviner's Wand to it.

Equip {3}

{1}{U}{R}: Return Etherium-Horn Sorcerer 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 of your library in a random order.)

{T}, Sacrifice Evolving Wilds: 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.

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.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Enchant permanent

When Frenzied Fugue enters the battlefield or 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.

Frontier Bivouac enters the battlefield tapped.

{T}: Add {G}, {U}, or {R}.

When Gamekeeper 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.

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.)

Whenever Glint-Eye Nephilim deals combat damage to a player, draw that many cards.

{1}, Discard a card: Glint-Eye Nephilim 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."

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.)

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Whenever Guiltfeeder 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.

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

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

{T}: Add {C} for each card you've drawn this turn.

Partner (You can have two commanders if both have partner.)

Equipped creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever equipped creature deals combat damage to a player, you may draw a card.

Equip {2}

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Opulent Palace enters the battlefield tapped.

{T}: Add {B}, {G}, or {U}.

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.)

This spell costs {1} less to cast for each creature your opponents control.

When Primeval Protector enters the battlefield, put a +1/+1 counter on each other creature you control.

Rakdos Carnarium enters the battlefield tapped.

When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand.

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

Choose one --

• Exile target player's graveyard.

• Destroy target artifact.

• Each creature deals 1 damage to its controller.

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

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

You have no maximum hand size.

{T}: Add {C}.

Choose one --

• Untap all lands you control.

• Until end of turn, lands you control become 2/2 creatures that are still lands.

Entwine {2}{G} (Choose both if you pay the entwine cost.)

Rugged Highlands enters the battlefield tapped.

When Rugged Highlands enters the battlefield, you gain 1 life.

{T}: Add {R} or {G}.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

When Satyr Wayfinder enters the battlefield, 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.

Savage Lands enters the battlefield tapped.

{T}: Add {B}, {R}, or {G}.

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

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

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

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

Enchant creature

Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Whenever enchanted creature deals combat damage to an opponent, you may draw a card.

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

Flying, trample

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

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.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Swiftwater Cliffs enters the battlefield tapped.

When Swiftwater Cliffs enters the battlefield, you gain 1 life.

{T}: Add {U} or {R}.

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

Thornwood Falls enters the battlefield tapped.

When Thornwood Falls enters the battlefield, you gain 1 life.

{T}: Add {G} or {U}.

{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.)

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.

Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls.

Partner (You can have two commanders if both have partner.)

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.

Defender

When Wall of Blossoms enters the battlefield, draw a card.

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.)

Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)

Equip {2}

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

Trample

Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the 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 of your library in a random order.)