Partner with Pako, Arcane Retriever (When this creature enters, target player may put Pako into their hand from their library, then shuffle.) You may play lands and cast noncreature spells from among cards you exiled that have fetch counters on them, and you may spend mana as though it were mana of any color to cast those spells.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

{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}.

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

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

({T}: Add {U}.)

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

{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

({T}: Add {G}, {U}, or {R}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

({T}: Add {R}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {U}. Channel — {3}{U}, Discard this card: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

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

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

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

({T}: Add {U} or {R}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {R} or {G}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Draw three cards, then put two cards from your hand on top of your library in any order.

Freerunning {1}{U} (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.) Draw three cards.

Draw a card. You may put a land card from your hand onto the battlefield.

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

Choose target creature you control. Whenever that creature deals combat damage to a player or planeswalker this turn, draw that many cards.

At the beginning of your upkeep, you may look at the top three cards of your library, then put them back in any order.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

Put target card from your graveyard on top of your library.

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

{1}, {T}: Exile any number of cards from your hand face down. Put that many cards from the top of your library into your hand. Then look at the exiled cards and put them on top of your library in any order.

Enchant creature Enchanted creature can't be blocked except by creatures with flying or reach. Enchanted creature can't be the target of spells or abilities your opponents control.

Indestructible Equipped creature has indestructible. Equip {2}

Put a +1/+1 counter on target creature you control. It gains reach, trample, hexproof, and indestructible until end of turn. (It can't be the target of spells or abilities your opponents control. Damage and effects that say "destroy" don't destroy it.)

Permanents you control gain hexproof and indestructible until end of turn.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures 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.)

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

Untap all permanents you control during each other player's untap step.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

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.)

Target creature can't be blocked this turn. Draw a card.

Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase. Choose a Background (You can have a Background as a second commander.)

Each creature you control gets +1/+0 for each time it has attacked this turn. Landfall — Whenever a land you control enters, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

Target multicolored creature gains double strike until end of turn. Draw a card.

Target creature gains double strike until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature Enchanted creature gets +2/+0 and has trample. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Enchant creature Enchanted creature gets +1/+1 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.) {2}{G}: Return this card from your graveyard to your hand.

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

You may play two additional lands on each of your turns.

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

{T}: Add {G}.

You may play an additional land on each of your turns.

You may play an additional land this turn. Draw a card.

{T}: Add {G}.

{T}: Add {G}.

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

You may play an additional land on each of your turns. Play with the top card of your library revealed. You may play lands from the top of your library.

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

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

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.")

Counter target instant spell.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Return target nonland permanent to its owner's hand. If you have the city's blessing, you may put that permanent on top of its owner's library instead.

If it's not your turn, you may exile a green card from your hand rather than pay this spell's mana cost. Destroy up to two target artifacts and/or enchantments.

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner's library instead of into that player's graveyard.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) Return target creature an opponent controls to its owner's hand. If the gift was promised, instead return target nonland permanent an opponent controls to its owner's hand.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

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.)

Counter target noncreature spell.

Commander creatures you own have "Whenever you cast a spell from exile, this creature deals damage equal to that spell's mana value to target opponent."

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

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.

Search your library for a card, then shuffle and put that card third from the top.

Search your library for a blue instant card, reveal that card, put it into your hand, then shuffle.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.