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.

{T}: Draw a card, then exile a card from your hand and put a number of time counters on it equal to its mana value. It gains "When the last time counter is removed from this card, if it's exiled, you may cast it without paying its mana cost. If you cast a creature spell this way, it gains haste until end of turn." Then remove a time counter from each other card you own in exile.

{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.)

Untap all creatures. Until end of turn, whenever a creature an opponent controls blocks, draw a card.

Draw a card.

Trample

When Bookwurm enters the battlefield, you gain 3 life and draw a card.

{2}{G}: Put Bookwurm from your graveyard into your library third from the top.

At the beginning of your precombat main phase, remove all flood counters from Bounty of the Luxa. If no counters were removed this way, put a flood counter on Bounty of the Luxa and draw a card. Otherwise, add {C}{G}{U}.

When Brinelin, the Moon Kraken enters the battlefield or whenever you cast a spell with mana value 6 or greater, you may return target nonland permanent to its owner's hand.

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

When Brokers Hideout enters the battlefield, sacrifice it. When you do, search your library for a basic Forest, Plains, or Island card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Target creature gets +2/+2 and gains trample until end of turn. Untap it.

Put a +1/+1 counter on target creature and untap it.

Partner with Chakram Slinger (When this creature enters the battlefield, target player may put Chakram Slinger into their hand from their library, then shuffle.)

Whenever you cast a spell during your turn, untap target creature.

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

Whenever Civic Gardener attacks, untap target creature or land.

Target player shuffles their graveyard into their library.

Draw a card.

Mage Hand -- {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.

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

Whenever Copperhorn Scout attacks, untap each other creature you control.

Coral Atoll enters the battlefield tapped.

When Coral Atoll enters the battlefield, sacrifice it unless you return an untapped Island you control to its owner's hand.

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

Target creature gets +3/+3 until end of turn. Exile Cyclical Evolution with three time counters on it.

Suspend 3--{2}{G} (Rather than cast this card from your hand, you may pay {2}{G} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Put two +1/+1 counters on target creature and untap it.

{T}: Add {C}.

{2}, {T}: Put two +1/+1 counters on target non-Human creature that entered the battlefield this turn.

{2}, {T}: You gain 5 life. Shuffle Elixir of Immortality and your graveyard into their owner's library.

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

{T}, Sacrifice Escape Tunnel: Target creature with power 2 or less can't be blocked this turn.

Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.

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

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Fungal Behemoth's power and toughness are each equal to the number of +1/+1 counters on creatures you control.

Suspend X--{X}{G}{G}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{G}{G} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Whenever a time counter is removed from Fungal Behemoth while it's exiled, you may put a +1/+1 counter on target creature.

Trample

Whenever Giant Adephage deals combat damage to a player, create a token that's a copy of Giant Adephage.

{T}: Add {G}. When you spend this mana to cast a spell with mana value 6 or greater, draw a card.

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

Guildless Commons enters the battlefield tapped.

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

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

{T}: Add {C}.

{1}, {T}: Add one mana of any color.

{T}: Put a +1/+1 counter on target creature. Activate only as a sorcery and only if you've cast an instant or sorcery spell this turn.

Hidden Cataract enters the battlefield tapped.

{T}: Add {U}.

{4}{U}, {T}, Sacrifice Hidden Cataract: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Hidden Nursery enters the battlefield tapped.

{T}: Add {G}.

{4}{G}, {T}, Sacrifice Hidden Nursery: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Suspend 3--{1}{G}{G}

Starting with you, each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Suspend 3--{1}{U}{U} (Rather than cast this card from your hand, pay {1}{U}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Draw two cards. Exile Inspiring Refrain with three time counters on it.

Suspend 3--{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{T}: Untap another target permanent.

{T}: Untap two other target legendary creatures.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Jungle Basin enters the battlefield tapped.

When Jungle Basin enters the battlefield, sacrifice it unless you return an untapped Forest you control to its owner's hand.

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

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

Whenever a token enters the battlefield under your control, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

{T}: Untap another target permanent you control.

{T}: Tap target permanent. Activate only if you control eight or more lands.

{T}: Untap another target permanent.

Kitchen enters the battlefield tapped.

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

{4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Target player shuffles their graveyard into their library.

Draw a card.

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

When Nantuko Shaman enters the battlefield, if you control no tapped lands, draw a card.

Suspend 1--{2}{G}{G} (Rather than cast this card from your hand, you may pay {2}{G}{G} and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Bigby's Hand -- {T}: Untap two other target permanents. Activate only as a sorcery and only once each turn.

Whenever you draw a card, put a foreshadow counter on Ominous Seas.

Remove eight foreshadow counters from Ominous Seas: Create an 8/8 blue Kraken creature token.

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

{T}: Add {C}.

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

Whenever you cast your first spell each turn, reveal the top card of your library. You may cast it without paying its mana cost if it's a spell with lesser mana value. If you don't cast it, put it into your hand.

Return target permanent to its owner's hand. Exile Reality Strobe with three time counters on it.

Suspend 3--{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Untap target creature.

Draw a card.

Target player shuffles their graveyard into their library.

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.)

{T}: Add one mana of any color.

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Flying

When Riftwing Cloudskate enters the battlefield, return target permanent to its owner's hand.

Suspend 3--{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

{T}: Add {C}.

{2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

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

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

{6}{U}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)

When Shipbreaker Kraken becomes monstrous, tap up to four target creatures. Those creatures don't untap during their controllers' untap steps for as long as you control Shipbreaker Kraken.

{T}: Add {C}.

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

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

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}.

Suspend 3--{1} (Rather than cast this card from your hand, pay {1} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

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

Untap target creature. It gets +1/+4 and gains reach until end of turn.

Put a +1/+1 counter on target creature you control. Untap that creature.

Look at the top five cards of your library. You may put up to two permanent cards with mana value 5 or less from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Flashback {7}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

The Hunter Maze enters the battlefield tapped.

{T}: Add {G}.

{1}{G}, {T}, Sacrifice The Hunter Maze: Draw a card.

The Surgical Bay enters the battlefield tapped.

{T}: Add {U}.

{1}{U}, {T}, Sacrifice The Surgical Bay: Draw a card.

At the beginning of each upkeep, you may tap or untap target permanent.

{U}, {T}: You may tap or untap another target creature.

Landfall -- Whenever a land enters the battlefield under your control, you may untap Tideforce Elemental.

Whenever you draw a card, you may pay {1}. When you do, you may tap or untap target creature.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Tromokratis has hexproof unless it's attacking or blocking.

Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.)

Suspend 4--{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

When the last time counter is removed from Veiling Oddity while it's exiled, creatures can't be blocked this turn.

Exile cards from the top of your library until you exile a land card. Put that card onto the battlefield and the rest on the bottom of your library in a random order. Exile Venture Forth with three time counters on it.

Suspend 3--{1}{G}

Target creature gets +1/+2 and gains reach until end of turn. Untap it. (A creature with reach can block creatures with flying.)

{T}: Untap another target permanent.

Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

When you cycle Vizier of Tumbling Sands, untap target permanent.

Target creature gets +3/+3 and gains reach until end of turn. Untap it.

{T}: Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.

1--9 | Copy that card. You may cast the copy.

10--19 | Copy that card. You may cast the copy by paying {1} rather than paying its mana cost.

20 | Copy each card exiled with Wizard's Spellbook. You may cast any number of the copies without paying their mana costs.

Whenever Xolatoyac, the Smiling Flood enters the battlefield or attacks, put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it.

At the beginning of your end step, untap each permanent you control with a counter on it.