Psionic Spells — When Aberrant Mind Sorcerer enters, choose target instant or sorcery card in your graveyard, then roll a d20.

1–9 | You may put that card on top of your library.

10–20 | Return that card to your hand.

As an additional cost to cast this spell, exile six cards from your graveyard.

Flying

At the beginning of each opponent's upkeep, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Flying

When Abyssal Horror enters, target player discards two cards.

Trample

Agent Frank Horrigan has indestructible as long as it attacked this turn.

Whenever Agent Frank Horrigan enters or attacks, proliferate twice. (To proliferate, choose any number of permanents and/or players, then give each another counter of each kind already there.)

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).

Whenever you attack, up to one target attacking creature can't be blocked this turn. Return that creature to its owner's hand at the beginning of the next end step.

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

Ward—Pay 3 life.

Whenever you gain life, Amalia Benavides Aguirre explores. Then destroy all other creatures if its power is exactly 20. (To have this creature explore, reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.

As An-Zerrin Ruins enters, choose a creature type.

Creatures of the chosen type don't untap during their controllers' untap steps.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

Target creature gets +2/+2 until end of turn.

Addendum — If you cast this spell during your main phase, that creature gains flying until end of turn.

When Arrogant Outlaw enters, if an opponent lost life this turn, each opponent loses 2 life and you gain 2 life.

Flying

Arrow Storm deals 4 damage to any target.

Raid — If you attacked this turn, instead Arrow Storm deals 5 damage to that permanent or player and the damage can't be prevented.

Arrows of Justice deals 4 damage to target attacking or blocking creature.

: Add .

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

Target creature gets +2/+2 until end of turn. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Flash

Flying

When Aven Interrupter enters, exile target spell. It becomes plotted. (Its owner may cast it as a sorcery on a later turn without paying its mana cost.)

Spells your opponents cast from graveyards or from exile cost more to cast.

When this creature transforms into Awoken Horror, return all non-Horror creatures to their owners' hands.

You must cast both B.F.M. cards to put

leaves the battlefield, sacrifice the other.

B.F.M. can't be blocked except by three or

Creatures your opponents control with power less than Baeloth Barrityl's power are goaded. (They attack each combat if able and attack a player other than you if able.)

Whenever a goaded attacking or blocking creature dies, you create a Treasure token.

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

Barrage of Boulders deals 1 damage to each creature you don't control.

Ferocious — If you control a creature with power 4 or greater, creatures can't block this turn.

, Sacrifice an artifact: Barrage Ogre deals 2 damage to any target.

Sweep — Return any number of Mountains you control to their owner's hand. Barrel Down Sokenzan deals damage to target creature equal to twice the number of Mountains returned this way.

At the beginning of your upkeep, if you control no permanents other than Barren Glory and have no cards in hand, you win the game.

Barrenton Cragtreads can't be blocked by red creatures.

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Barricade Breaker attacks each combat if able.

Defender

When Barrier of Bones enters, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

When Barrin, Tolarian Archmage enters, return up to one other target creature or planeswalker to its owner's hand.

At the beginning of your end step, if a permanent was put into your hand from the battlefield this turn, draw a card.

Choose two target creatures controlled by the same player. Their controller chooses and sacrifices one of them. Return the other to its owner's hand.

Target creature you control fights target creature the opponent to your left controls. Then that player may copy this spell and may choose new targets for the copy.

Flying

Barrow Naughty has lifelink as long as you control another Faerie.

: Barrow Naughty gets +1/+0 until end of turn.

Equipped creature gets +1/+1.

Whenever equipped creature blocks or becomes blocked by a creature, that creature loses all abilities until end of turn.

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

When Barrowin of Clan Undurr enters, venture into the dungeon. (Enter the first room or advance to the next room.)

Whenever Barrowin of Clan Undurr attacks, return up to one creature card with mana value 3 or less from your graveyard to the battlefield if you've completed a dungeon.

Boast — : Creatures you control get +1/+1 until end of turn. (Activate only if this creature attacked this turn and only once each turn.)

Target player takes an extra turn after this one. Shuffle Beacon of Tomorrows into its owner's library.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Search your library for a card, exile it face down, then shuffle. If this spell was bargained, you may cast the exiled card without paying its mana cost if that spell's mana value is 4 or less. Put the exiled card into your hand if it wasn't cast this way.

Trample

Black Carriage doesn't untap during your untap step.

Sacrifice a creature: Untap Black Carriage. Activate only during your upkeep.

This spell can't be countered.

Shroud (This creature can't be the target of spells or abilities.)

When Blurry Visionary enters the battlefield, look at the top two cards of your library and put them back-to-back in the same sleeve with either card in front. They become a modal double-faced card for the rest of the game. Then put that card into your hand. (You can play either face of that double-faced card. Make sure to reset it when the game ends.)

, , Discard a card: Target creature can't block this turn.

Boros Garrison enters tapped.

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

: Add .

Escalate (Pay this cost for each mode chosen beyond the first.)

Choose one or both —

• Target creature gets +3/+0 until end of turn.

• Target creature gains first strike until end of turn.

When Borrowed Time enters, exile target nonland permanent an opponent controls until Borrowed Time leaves the battlefield.

Borrowing the East Wind deals X damage to each creature with horsemanship and each player.

Flying

Briarberry Cohort gets +1/+1 as long as you control another blue creature.

Sacrifice Burr Grafter: Target creature gets +2/+2 until end of turn.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Protection from red

Sacrifice Burrenton Forge-Tender: Prevent all damage a red source of your choice would deal this turn.

Flash (You may cast this spell any time you could cast an instant.)

When this creature enters, target creature an opponent controls gets -1/-0 until end of turn.

Enchant creature

Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)