Flying, vigilance

: Target creature you control gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Defender (This creature can't attack.)

: Prevent the next 1 damage that would be dealt to any target this turn.

When Alaborn Zealot blocks a creature, destroy that creature and Alaborn Zealot.

Echo (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.)

: Regenerate Albino Troll.

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

Take an extra turn after this one. During that turn, damage can't be prevented. At the beginning of that turn's end step, you lose the game.

Exile Alchemist's Gambit.

Alchemist's Greeting deals 4 damage to target creature.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.

, : Target permanent you control becomes the color of your choice. <I>(This effect lasts indefinitely.)</I>

Flying, deathtouch, lifelink

Other creatures you control with flying get +1/+0.

Whenever you cast an artifact or enchantment spell, create a 1/1 blue Faerie creature token with flying.

Vigilance

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

First strike

Whenever Alesha, Who Smiles at Death attacks, you may pay . If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

Flying

As Alhammarret, High Arbiter enters the battlefield, 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 the battlefield, 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.)

Other artifact creatures you control have haste.

Whenever one or more artifact creatures you control attack, Alibou, Ancient Witness deals X damage to any target and you scry X, where X is the number of tapped artifacts you control.

Alirios, Enraptured enters the battlefield tapped.

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

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

Each player sacrifices all permanents they control that are one or more colors.

Enchant creature

Enchanted creature gets +1/+1 for each artifact and/or enchantment you control.

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

Up to two target creatures each get +X/+X until end of turn, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

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

Flying

Whenever All-Seeing Arbiter enters the battlefield 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.

All creatures able to block target creature this turn do so.

: Add .

: Add one mana of any color. Spend this mana only to cast an Ally spell.

, , Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.

Enchant creature

Enchanted creature has base power and toughness 9/10 and has indestructible.

Flash

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

Trample

When Aloe Alchemist becomes plotted, target creature gets +3/+2 and gains trample until end of turn.

Plot (You may pay and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Enchant creature

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

Enchant creature

Enchanted creature gets +2/+2 for each other creature on the battlefield that shares a creature type with it.

When Alpine Houndmaster enters the battlefield, 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.

Vigilance

When Alquist Proft, Master Sleuth enters the battlefield, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, , Sacrifice a Clue: You draw X cards and gain X life.

Lifelink

, Sacrifice Alseid of Life's Bounty: Target creature or enchantment you control gains protection from the color of your choice until end of turn.

Trample

Altar Golem's power and toughness are each equal to the number of creatures on the battlefield.

Altar Golem doesn't untap during your untap step.

Tap five untapped creatures you control: Untap Altar Golem.

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

Search your library for a creature card, reveal it, put it into your hand, then shuffle.

At the beginning of your precombat main phase, add for each charge counter on Altar of Shadows.

, : Destroy target creature. Then put a charge counter on Altar of Shadows.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards.

Lhurgoyf creatures you control have trample.

Your devotion to each color and each combination of colors is increased by one.

: Add one mana of any color. If you control a God, a Demigod, or a legendary enchantment, you gain 1 life.

Exile target artifact or enchantment.

Return target creature card from your graveyard to your hand. (Then exile this card. You may cast the creature later from exile.)

This spell can't be countered.

You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

Defender

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

Draw three cards, then put a card from your hand on the bottom of your library.

When Ambassador Blorpityblorpboop enters the battlefield, you get , then you may put a sticker on a nonland permanent you own.

At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power become equal to the total power of all stickers on permanents you control and its base toughness become equal to those stickers' total toughness.

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.)

You draw three cards and you lose 3 life.

Creatures you control get +2/+0 until end of turn. If you control a modified creature, draw a card. (Equipment, Auras you control, and counters are modifications.)

When Ambitious Farmhand enters the battlefield, 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.

Trample

When Ambush Krotiq enters the battlefield, return another creature you control to its owner's hand.

First strike, haste