Choose one —

• Exile target creature with power 3 or greater.

• You draw two cards and you lose 2 life.

• Distribute two +1/+1 counters among one or two target creatures.

Academy Elite enters the battlefield with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards.

, Remove a +1/+1 counter from Academy Elite: Draw a card, then discard a card.

First strike, vigilance

Akiri, Line-Slinger gets +1/+0 for each artifact you control.

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

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.

Haste

Whenever Ankle Shanker attacks, creatures you control gain first strike and deathtouch until end of turn.

Arcane Sanctum enters the battlefield tapped.

: Add , , or .

Create thirteen tapped 2/2 black Zombie creature tokens.

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

: Add .

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Astral Cornucopia enters the battlefield with X charge counters on it.

: Choose a color. Add one mana of that color for each charge counter on Astral Cornucopia.

Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's mana value.

Flying, deathtouch

When Baleful Strix enters the battlefield, draw a card.

Put target artifact or creature card from a graveyard onto the battlefield under your control. Shuffle Beacon of Unrest into its owner's library.

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension.

As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Bituminous Blast deals 4 damage to target creature.

Flying

Creatures can't attack you.

At the beginning of each player's precombat main phase, if Blinkmoth Urn is untapped, that player adds for each artifact they control.

Haste

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

: Flip a coin. If you win the flip, destroy all nonland permanents.

Boros Garrison enters the battlefield tapped.

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

: Add .

Enchant creature you control

When enchanted creature deals combat damage to a player, sacrifice it and attach Breath of Fury to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

When Breya, Etherium Shaper enters the battlefield, create two 1/1 blue Thopter artifact creature tokens with flying.

, Sacrifice two artifacts: Choose one —

• Breya deals 3 damage to target player or planeswalker.

• Target creature gets -4/-4 until end of turn.

• You gain 5 life.

Whenever a creature you control attacks, defending player loses 1 life and you gain 1 life.

: Creatures your opponents control block this turn if able, and you choose how those creatures block.

: Add .

, , Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land. If the player does, they may copy this spell and may choose a new target for that copy.

Creatures can't block this turn.

Haste

At the beginning of each player's end step, if no creatures attacked this turn, put a fury counter on Charging Cinderhorn. Then Charging Cinderhorn deals damage equal to the number of fury counters on it to that player.

Artifact spells you cast have convoke. (Your creatures can help cast those spells. Each creature you tap while casting an artifact spell pays for or one mana of that creature's color.)

As Citadel Siege enters the battlefield, choose Khans or Dragons.

• Khans — At the beginning of combat on your turn, put two +1/+1 counters on target creature you control.

• Dragons — At the beginning of combat on each opponent's turn, tap target creature that player controls.

Undaunted (This spell costs less to cast for each opponent.)

Return all nonland permanents to their owners' hands.

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Consuming Aberration's power and toughness are each equal to the number of cards in your opponents' graveyards.

Whenever you cast a spell, each opponent reveals cards from the top of their library until they reveal a land card, then puts those cards into their graveyard.

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Choose target player and another target player. The first player controls the second player during the second player's next turn, and the second player controls the first player during the first player's next turn.

Converge — Crystalline Crawler enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.

Remove a +1/+1 counter from Crystalline Crawler: Add one mana of any color.

: Put a +1/+1 counter on Crystalline Crawler.

Enchant player

Whenever enchanted player casts a spell, put a spite counter on Curse of Vengeance.

When enchanted player loses the game, you gain X life and draw X cards, where X is the number of spite counters on Curse of Vengeance.

Custodi Soulbinders enters the battlefield with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

, Remove a +1/+1 counter from Custodi Soulbinders: Create a 1/1 white Spirit creature token with flying.

Indestructible

: Add .

, : Add .

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

Creatures with power less than Den Protector's power can't block it.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Den Protector is turned face up, return target card from your graveyard to your hand.

Dimir Aqueduct enters the battlefield tapped.

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

: Add .

Dismal Backwater enters the battlefield tapped.

When Dismal Backwater enters the battlefield, you gain 1 life.

: Add or .

Undaunted (This spell costs less to cast for each opponent.)

Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.

Dragonskull Summit enters the battlefield tapped unless you control a Swamp or a Mountain.

: Add or .

Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn.

Whenever a creature deals combat damage to one of your opponents, its controller may draw a card.

Equipped creature gets +1/+1 for each card in your hand.

Equip

Target player sacrifices an attacking creature. You create X 1/1 white Soldier creature tokens, where X is that creature's toughness.