Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Prototype {2}{W} — 1/1 (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.) Double strike When this creature enters, draw a card.

Flying When this creature enters, you gain 1 life and draw a card.

Whenever another creature you control with power 2 or less enters, you may pay {1}. If you do, draw a card.

When this creature enters, you gain 1 life and draw a card.

When this creature enters, you may search your library for a creature card with toughness 2 or less, reveal it, put it into your hand, then shuffle.

When this creature enters, draw a card.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

At the beginning of each end step, draw a card for each opponent who drew two or more cards this turn, then create a Treasure token for each opponent who had two or more lands enter the battlefield under their control this turn.

When this creature enters, draw a card.

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Defender When this creature enters, draw a card.

When Beza enters, create a Treasure token if an opponent controls more lands than you. You gain 4 life if an opponent has more life than you. Create two 1/1 blue Fish creature tokens if an opponent controls more creatures than you. Draw a card if an opponent has more cards in hand than you.

Creatures you control with power 2 or less can't be blocked by creatures with power 3 or greater. If an ability of a creature you control with power 2 or less triggers, that ability triggers an additional time.

Whenever another creature you control enters, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then return it to the battlefield under its owner's control.

Flying When this creature enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs {2} more to cast.

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

Exile any number of creatures you control, then return them to the battlefield under their owner's control. Then repeat this process X more times.

Exile target creature you control, then return that card to the battlefield under your control.

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

When this creature enters, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

{2}, {T}: Exile another target creature you control. You may return that card to the battlefield under its owner's control. If you don't, at the beginning of the next end step, return that card to the battlefield under its owner's control with a vigilance counter and a lifelink counter on it.

Protection Fighting Style — When this creature enters, exile up to one target non-Warrior creature you control, then return it to the battlefield under its owner's control.

Flash Flying When this creature enters, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

Choose one or both — • Exile target creature you don't control. • Exile target creature you control, then return it to the battlefield under its owner's control.

When Abdel Adrian enters, exile any number of other nonland permanents you control until Abdel Adrian leaves the battlefield. Create a 1/1 white Soldier creature token for each permanent exiled this way. Choose a Background (You can have a Background as a second commander.)

Flying, vigilance {2}{W}, {T}: Exile another target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step. {2}{W}, {T}, Exert this creature: Exile another target creature until this creature leaves the battlefield. (An exerted creature won't untap during your next untap step.)

When this creature enters, you may exile another target creature. When this creature leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Flash Flying When this creature enters, you may exile any number of non-Angel creatures you control until this creature leaves the battlefield. Foretell {2}{W}

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

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

You have no maximum hand size. {T}: Add one mana of any color.

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

When this creature enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

Vigilance When this creature enters, if an opponent controls more lands than you, search your library for a basic Plains card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

White spells you cast cost {1} less to cast.

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

When this creature enters, search your library for a basic Plains card and reveal it. If an opponent controls more lands than you, put it onto the battlefield tapped. Otherwise, put it into your hand. Then shuffle. Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

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

Return all creature cards from your graveyard to the battlefield. Each of them is a 1/1 Spirit with flying in addition to its other types. Exile Storm of Souls.

Counter target spell unless its controller pays {1}.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

When this creature enters, destroy target artifact or enchantment an opponent controls.

When this creature enters, create a 3/3 colorless Phyrexian Golem artifact creature token. Golems you control have first strike.

When this creature enters, create a number of 1/1 white Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

Vigilance (Attacking doesn't cause this creature to tap.) When this creature enters, create a 2/2 white Knight creature token with vigilance.

When this creature enters, create a 1/1 blue Wizard creature token with "{1}, Sacrifice this token: Counter target noncreature spell unless its controller pays {1}."

Flying, lifelink Whenever this creature or another nontoken creature you control enters, venture into the dungeon. (Enter the first room or advance to the next room.) {W}, Discard this card: Venture into the dungeon and you gain 3 life.

When this creature enters, create a number of 1/1 white Human Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

Choose two — • Destroy all artifacts. • Destroy all enchantments. • Destroy all creatures with mana value 3 or less. • Destroy all creatures with mana value 4 or greater.

Flying When Aerialephant enters, you get {TK}, then you may put a sticker on a nonland permanent you own.

Flying When this creature leaves the battlefield, choose an opponent who controls more lands than you. Search your library for a number of Plains cards equal to the difference, reveal those cards, put one of them onto the battlefield tapped and the rest into your hand, then shuffle.

When this creature enters, tap up to one target creature. You gain life equal to that creature's power.

Choose up to two target permanent cards in your graveyard that were put there from the battlefield this turn. Return them to the battlefield tapped.

When this creature enters, you gain 2 life. When this creature leaves the battlefield, draw a card.

If a permanent you control would be put into a graveyard from the battlefield this turn, exile it instead. Return it to the battlefield under its owner's control at the beginning of the next end step. Foretell {1}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Exile target artifact, creature, or enchantment an opponent controls. That player may put a permanent card from their hand onto the battlefield.

Enchant permanent When this Aura enters, you gain 4 life. Enchanted permanent can't attack or block, and its activated abilities can't be activated unless they're mana abilities.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

Destroy target creature or planeswalker. Its controller investigates. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

Vigilance When this creature enters, you take the initiative.

Flash Vigilance When this creature enters, any number of other target creatures you control phase out. (Treat them and anything attached to them as though they don't exist until their controller's next turn.)

Exile target creature you control, then return that card to the battlefield under its owner's control. It gains first strike until end of turn.

Flying, protection from black Echo {3}{W}{W} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, return target creature card from your graveyard to the battlefield.

First strike When this creature enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Whenever a creature enters, if it was cast, exile it, then return all other permanent cards exiled with this artifact to the battlefield under their owners' control.

Whenever an opponent casts their second spell each turn, you create a Treasure token.

{2}, {T}, Sacrifice this artifact: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

(Gain the next level as a sorcery to add its ability.) Spells your opponents cast during your turn cost {1} more to cast. {2}{W}: Level 2 Creatures you control get +1/+1. {4}{W}: Level 3 Whenever you attack, until end of turn, target attacking creature gets +1/+1 for each other attacking creature and gains double strike.

Whenever another creature you own enters, you get {TK}. {W}, {T}: You may put a sticker on a creature you own that entered this turn.

Return target creature card from your graveyard to the battlefield.

Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.

Flying When this creature leaves the battlefield, return up to two target creature cards with power 2 or less from your graveyard to the battlefield. Evoke {5}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Each player returns to the battlefield all artifact, creature, enchantment, and land cards in their graveyard that were put there from the battlefield this turn.

Exile any number of target creatures and/or planeswalkers you control. At the beginning of the next end step, return each of them to the battlefield under its owner's control. Each of them enters with an additional +1/+1 counter on it if it's a creature and an additional loyalty counter on it if it's a planeswalker.

When this creature enters, exile up to one target nonland, nontoken permanent you don't control with mana value 4 or less. When this creature leaves the battlefield, the exiled card's owner creates an X/X blue Illusion creature token, where X is the mana value of the exiled card.

Yawning Portal — You gain 1 life. (Leads to: Dungeon Level) Dungeon Level — Scry 1. (Leads to: Goblin Bazaar, Twisted Caverns) Goblin Bazaar — Create a Treasure token. (Leads to: Lost Level) Twisted Caverns — Target creature can't attack until your next turn. (Leads to: Lost Level) Lost Level — Scry 2. (Leads to: Runestone Caverns, Muiral's Graveyard) Runestone Caverns — Exile the top two cards of your library. You may play them. (Leads to: Deep Mines) Muiral's Graveyard — Create two 1/1 black Skeleton creature tokens. (Leads to: Deep Mines) Deep Mines — Scry 3. (Leads to: Mad Wizard's Lair) Mad Wizard's Lair — Draw three cards and reveal them. You may cast one of them without paying its mana cost.