Return all attacking creatures to their owner's hand.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Choose one — • Tap target permanent. • Untap target permanent. Entwine {1} (Choose both if you pay the entwine cost.)

Counter target instant or sorcery spell. Transmute {1}{U}{U} ({1}{U}{U}, Discard this card: Search your library for a card with the same mana value as this card, reveal it, put it into your hand, then shuffle. Transmute only as a sorcery.)

Choose two — • Prismari Command deals 2 damage to any target. • Target player draws two cards, then discards two cards. • Target player creates a Treasure token. • Destroy target artifact.

You may tap or untap target permanent. Splice onto Arcane {U} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Untap target creature. Draw a card.

Target creature you control gets +1/+1 and gains hexproof until end of turn. Untap it. (It can't be the target of spells or abilities your opponents control.)

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

Equipped creature has haste. Whenever an ability of equipped creature is activated, if it isn't a mana ability, you may pay {1}. If you do, copy that ability. You may choose new targets for the copy. Equip {2}

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

Players have no maximum hand size. {X}{X}, {T}: Each player draws X cards. {2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

Whenever a player plays a land, that player draws a card.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy. Equip {3}

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

{2}, {T}: You may tap or untap target creature.

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

Equipped creature gets +1/+1 and has haste. At the beginning of each combat, untap equipped creature. Equipped creature has first strike as long as it's blocking or blocked by a Goblin or Orc. Equip {2}

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

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

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice this land: Draw a card.

{T}: Add {C}. {2}, {T}: Each player draws a card, then discards a card.

({T}: Add {U}.)

{T}: Add {U}. {U}, {T}: Untap target legendary permanent.

({T}: Add {U} or {R}.) This land enters tapped.

({T}: Add {R}.)

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.

This land enters tapped. {T}: Add {U} or {R}. {U}{R}: Until end of turn, this land becomes a 2/1 blue and red Elemental creature with "During your turn, this creature has first strike." It's still a land. Whenever this land attacks, scry 1.

{T}: Add {C}. {T}: Add {U} or {R}. This land deals 1 damage to you.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.) Whenever you cast a spell during your turn, untap target creature.

Mage Hand — {T}: Untap target permanent not named Clever Conjurer. Activate only as a sorcery.

When this creature enters, untap target artifact or creature you control.

Parley — Whenever this creature attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a tapped Treasure token. Then each player draws a card.

{U}, {T}: Each player reveals the top card of their library. You may put the revealed cards into their owners' graveyards. If you don't, each player draws a card.

At the beginning of each player's upkeep, that player mills X cards, where X is the number of cards in their hand.

{T}: You may tap or untap another target permanent. Unearth {U} ({U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Untap another target permanent you control. {T}, Collect evidence 3: Tap target creature you don't control. (To collect evidence 3, exile cards with total mana value 3 or greater from your graveyard.)

Landfall — Whenever a land you control enters, target player mills three cards.

{T}: Untap another target permanent. {T}: Untap two other target legendary creatures.

{T}: Untap another target permanent you control. {T}: Tap target permanent. Activate only if you control eight or more lands.

When this creature enters, each opponent mills three cards. Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

Flying {U}, {T}: You may tap or untap target creature.

When this creature enters, each player draws two cards, then discards a card at random.

{U}, {T}: You may tap or untap target creature.

Whenever a creature attacks you or a planeswalker you control, that creature's controller mills two cards.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

{1}{U}, {T}: You may tap or untap target creature.

Flying Parley — Whenever this creature attacks, each player reveals the top card of their library. For each nonland card revealed this way, you create a Map token. Then each player draws a card. (A Map token is an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.")

Sacrifice this creature: You may tap or untap target creature.

Whenever this creature attacks, defending player mills half their library, rounded up. Unearth {1}{U}{U}{U} ({1}{U}{U}{U}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

{T}: Untap another target permanent. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, untap target permanent.

Hive Mind — Whenever a player mills one or more creature cards, you create a 1/1 black Horror creature token. {1}, {T}: Target player mills three cards. Choose a Background (You can have a Background as a second commander.)

Enchant creature Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.) Whenever enchanted creature attacks, defending player gets two rad counters.

When this enchantment enters, you become the monarch. At the beginning of your upkeep, any number of target players each mill two cards. If you're the monarch, each of those players mills ten cards instead. (To mill a card, a player puts the top card of their library into their graveyard.)

Enchant creature {2}{U}: Untap enchanted creature. Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature {U}: Tap enchanted creature. {U}: Untap enchanted creature.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Casualty 2 (As you cast this spell, you may sacrifice a creature with power 2 or greater. When you do, copy this spell and you may choose a new target for the copy.) Target player mills half their library, rounded down.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

Choose one — • Each player draws X cards. • Each player mills X cards.

Each opponent chooses a creature they control. Tap and goad the chosen creatures. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.) Splice onto instant or sorcery {2}{U}{R} (As you cast an instant or sorcery spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Each opponent mills fourteen cards. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.) When you cycle this card, each opponent mills four cards.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Add {R} for each card in target opponent's hand. • Exile the top three cards of your library. You may play them this turn.

Kicker {3}{U} Each opponent mills eight cards. If this spell was kicked, instead each opponent mills half their library, rounded up.

Each player draws X cards.

Chroma — Reveal the top ten cards of your library. For each blue mana symbol in the mana costs of the revealed cards, target opponent mills a card. Then put the cards you revealed this way on the bottom of your library in any order.

Each player draws X cards. Forecast — {2}{U}, Reveal this card from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

Target player mills half their library, rounded down.