Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, this creature can't be blocked this turn."

Flying Whenever this creature deals combat damage to a player, roll a d20. Draw cards equal to the result. You have no maximum hand size for the rest of the game.

Wild Magic Surge — Whenever this creature attacks, roll a d20. 1—9 | Exile the top card of your library. You may play it this turn. 10—19 | Exile the top two cards of your library. You may play them this turn. 20 | Exile the top three cards of your library. You may play them this turn.

Roll a d20. 1—9 | Draw two cards. 10—19 | Scry 2, then draw two cards. 20 | Scry 3, then draw three cards.

Roll a d20 and add the number of cards in your hand. 1—14 | Draw X cards. 15+ | Scry X, then draw X cards.

Focus Beam — At the beginning of your upkeep, roll a d4. Scry X, where X is the result. Perfect Illumination — Whenever you roll a die's highest natural result, draw a card.

Flying Whenever Niv-Mizzet deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet deals 1 damage to any target.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

Flying You have no maximum hand size. Whenever a source you control deals noncombat damage to an opponent, you draw that many cards.

Commander creatures you own have "At the beginning of your upkeep, exile the top card of your library. This creature gets +X/+0 until end of turn, where X is that card's mana value. You may play that card this turn."

As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark." +1: Attach The Aetherspark to up to one target creature you control. Put a +1/+1 counter on that creature. −5: Draw two cards. −10: Add ten mana of any one color.

{2}, {T}: Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand. 1—9 | Return a card at random from your graveyard to your hand. 10—19 | Draw two cards. 20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.

Whenever equipped creature deals combat damage to a player, look at that many cards from the top of your library. You may exile a nonland card from among them. Put the rest on the bottom of your library in a random order. You may cast the exiled card without paying its mana cost. Equip {2}{U}

{4}, {T}: Roll a d20. Each opponent exiles cards from the top of their library until they exile an instant or sorcery card, then shuffles the rest into their library. You may cast up to X instant and/or sorcery spells from among cards exiled this way without paying their mana costs. 1—9 | X is one. 10—19 | X is two. 20 | X is three.

(Gain the next level as a sorcery to add its ability.) If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll. {1}{R}: Level 2 Whenever you roll one or more dice, target creature you control gets +2/+0 and gains menace until end of turn. {2}{R}: Level 3 Creatures you control have haste.

Target creature gains double strike until end of turn. When you roll a natural 20, return this card from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

Whenever you roll one or more dice, this creature deals 1 damage to each opponent.

Whenever this creature attacks, roll a d20 for each player being attacked and ignore all but the highest roll. 1—9 | This creature deals damage equal to its power to you. 10—19 | This creature deals damage equal to its power to defending player. 20 | This creature deals damage equal to its power to each opponent.

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

{T}, Remove a component counter from this artifact: Add two mana of different colors. {T}: Roll a d20. 1—9 | Put a component counter on this artifact. 10—20 | Put two component counters on this artifact.

Indestructible (Effects that say "destroy" don't destroy this Equipment.) Equipped creature gets +1/+1 and has "Whenever this creature attacks, create a Treasure token." (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equip {2}

This artifact enters tapped. {T}: Add {C}. {4}: Roll a d6. Until end of turn, you may have this artifact become an X/X Insect artifact creature with flying, where X is the result. Whenever this artifact attacks, another target attacking creature gains flying until end of turn.

Whenever you cast an artifact spell, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Activated abilities of artifacts you control cost {1} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Whenever this creature attacks, roll a d20. 1—9 | Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") 10—19 | Create two Treasure tokens. 20 | Create three Treasure tokens.

{1}, {T}: Add {U}{R}.

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

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}

Whenever Delina attacks, choose target creature you control, then roll a d20. 1—14 | Create a tapped and attacking token that's a copy of that creature, except it's not legendary and it has "At end of combat, exile this token." 15—20 | Create one of those tokens. You may roll again.

When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies. Create a token that's a copy of target artifact.

{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Spree (Choose one or more additional costs.) + {2}{R} — Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase. + {2} — Creatures you control get +1/+0 and gain first strike until end of turn. + {R} — Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token.

Psionic Spells — When this creature 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.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) When Emry enters, mill four cards. {T}: Choose target artifact card in your graveyard. You may cast that card this turn. (You still pay its costs. Timing rules still apply.)

Exile target instant or sorcery card from a graveyard. Copy that card three times. You may cast the copies without paying their mana costs. Exile Mnemonic Deluge.

This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

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

This land enters tapped. {T}: Add {C}. {4}, {T}, Tap an untapped legendary creature you control: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {3}, {T}, Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

This land enters tapped. When this land enters, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

Mines of Moria enters tapped unless you control a legendary creature. {T}: Add {R}. {3}{R}, {T}, Exile three cards from your graveyard: Create two Treasure tokens.

({T}: Add {R}.)

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {C}. {1}, {T}: Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

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}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {U}.

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

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

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}. {5}, {T}, Exile this land: Roll a d10. Put target artifact, creature, or planeswalker into its owner's library just beneath the top X cards of that library, where X is the result. Activate only as a sorcery.

Cast this spell only before combat or during combat before blockers are declared. Roll two d20 and ignore the lower roll. 1—14 | Choose any number of creatures. They block this turn if able. 15—20 | You choose which creatures block this turn and how those creatures block.

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

Roll a d20. 1—9 | Tap all creatures your opponents control. 10—19 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. 20 | Tap all creatures your opponents control. Those creatures don't untap during their controllers' next untap steps. Until your next turn, creatures your opponents control enter tapped.

Counter target spell.

Siege Monster — When this creature enters, roll a d20. 1—9 | Each player sacrifices a permanent of their choice. 10—19 | Each opponent sacrifices a permanent of their choice. 20 | Each opponent sacrifices two permanents of their choice.

Exile target spell, then roll a d20 and add that spell's mana value. 1—14 | You may cast the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell. 15+ | You may cast the exiled card without paying its mana cost for as long as it remains exiled.

Choose target spell, then flip a coin. If you win the flip, gain control of that spell and you may choose new targets for it. If you lose the flip, counter that spell.

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.

Roll two d12 and choose one result. Reckless Endeavor deals damage equal to that result to each creature. Then create a number of Treasure tokens equal to the other result.

Flash Indestructible When Mithril Coat enters, attach it to target legendary creature you control. Equipped creature has indestructible. Equip {3}

Counter target noncreature spell.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +3/+1. Whenever equipped creature attacks, create two tapped 1/1 white Spirit creature tokens with flying. If that creature is legendary, instead create two of those tokens that are tapped and attacking. Equip {2}

Equipped creature gets +1/+1 and has trample and haste. Flurry — Whenever you cast your second spell each turn, create a 1/1 white Monk creature token with prowess. You may attach this Equipment to it. (Whenever you cast a noncreature spell, the token gets +1/+1 until end of turn.) Equip {1}{R}

Whenever you roll one or more dice, create a 1/1 blue Faerie Dragon creature token with flying.

When this creature enters, roll a d20. 1—9 | Create a 1/1 red Goblin creature token. 10—19 | Create two of those tokens. 20 | Create three of those tokens.