Cleave (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.)

Return target nonland permanent you control to its owner's hand.

Cast this spell only during combat after blockers are declared.

Flip a coin. If you win the flip, target creature gets +1/+1 until end of turn.

Draw a card at the beginning of the next turn's upkeep.

Flying

Whenever you cast your first spell during each opponent's turn, create a 1/1 black Faerie Rogue creature token with flying.

Whenever one or more Faeries you control deal combat damage to a player, goad target creature that player controls.

Vigilance

At the beginning of your end step, you gain 1 life for each creature you control with vigilance.

Dash (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

, , Discard two cards: Return X target creatures to their owners' hands.

Flying

As Alhammarret, High Arbiter enters, each opponent reveals their hand. You choose the name of a nonland card revealed this way.

Your opponents can't cast spells with the chosen name (as long as this creature is on the battlefield).

When Alharu, Solemn Ritualist enters, put a +1/+1 counter on each of up to two other target creatures.

Whenever a nontoken creature you control with a +1/+1 counter on it dies, create a 1/1 white Spirit creature token with flying.

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

Target blocking creature gets +3/+1 until end of turn.

Alirios, Enraptured enters tapped.

Alirios doesn't untap during your untap step if you control a Reflection.

When Alirios enters, create a 3/2 blue Reflection creature token.

Time travel. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

Whenever Alley Grifters becomes blocked, defending player discards a card.

Join forces — Starting with you, each player may pay any amount of mana. Each player creates X 1/1 white Soldier creature tokens, where X is the total amount of mana paid this way.

Domain — Target player draws a card for each basic land type among lands they control.

This spell can't be countered.

Green spells you control can't be countered.

: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types.

Flying

Whenever All-Seeing Arbiter enters or attacks, draw two cards, then discard a card.

Whenever you discard a card, target creature an opponent controls gets -X/-0 until your next turn, where X is the number of different mana values among cards in your graveyard.

Reveal the top six cards of your library. An opponent exiles a nonland card from among them, then you put the rest into your hand. That opponent may cast the exiled card without paying its mana cost.

: Target creature an opponent controls attacks you this turn if able.

Trample

: Almighty Brushwagg gets +3/+3 until end of turn.

Flash

If an opponent would draw two or more cards, instead you and that player each draw a card.

Enchant creature

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

When Alpha Guard enters, choose a letter.

: Untap another target permanent whose name starts with the chosen letter.

When Alpine Houndmaster enters, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle.

Whenever Alpine Houndmaster attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures.

Alrund gets +1/+1 for each card in your hand and each foretold card you own in exile.

At the beginning of your end step, choose a card type, then reveal the top two cards of your library. Put all cards of the chosen type revealed this way into your hand and the rest on the bottom of your library in any order.

Whenever a creature an opponent controls dies, Altac Bloodseeker gets +2/+0 and gains first strike and haste until end of turn. (It deals combat damage before creatures without first strike, and it can attack and as soon as it comes under your control.)

Trample

Whenever Altanak, the Thrice-Called becomes the target of a spell or ability an opponent controls, draw a card.

, Discard Altanak, the Thrice-Called: Return target land card from your graveyard to the battlefield tapped.

, , Exile a creature you control: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.

Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.

Whenever another permanent you control enters, each opponent mills a card.

Altar of the Lost enters tapped.

: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.

When Altar of the Wretched enters, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power.

Craft with one or more creatures

: Return Altar of the Wretched from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice a creature.

Draw two cards.

Change the text of target spell or permanent by replacing all instances of one color word with another. (This effect lasts indefinitely.)

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

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

Defender

: Amaranthine Wall gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Sacrifice Amateur Auteur: Destroy target enchantment.

: Target player mills three cards.

Haste

Whenever Amber Gristle O'Maul attacks, you may discard your hand. If you do, draw a card for each player being attacked.

Choose a Background (You can have a Background as a second commander.)

Fabricate 1 (When this creature enters, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.)

When Ambitious Farmhand enters, you may search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.

Coven — : Transform Ambitious Farmhand. Activate only if you control three or more creatures with different powers.

Forests you control are 1/1 green Elf creatures that are still lands.

, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

Flash

Flying

: Creatures you control get +1/+1 until end of turn.

Flash

Deathtouch

+1: Draw a card, then put a card from your hand on top of your library.

−1: Exile another target permanent you own, then return it to the battlefield under your control.

−6: Choose left or right. Each player gains control of all nonland permanents other than Aminatou, the Fateshifter controlled by the next player in the chosen direction.

Aminatou, the Fateshifter can be your commander.

Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost.

Equipped creature gets +3/+0 and is every creature type.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flash

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. Copies become tokens.)

Enchant creature

Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1.

When Amphin Mutineer enters, exile up to one target non-Salamander creature. That creature's controller creates a 4/3 blue Salamander Warrior creature token.

Encore (, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

When Ampryn Tactician enters, creatures you control get +1/+1 until end of turn.