Psionic Spells -- When Aberrant Mind Sorcerer enters the battlefield, 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.

{T}: Add {C}.

{1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

{T}: Add {C}.

{3}, {T}: Target creature with power 3 or less can't be blocked this turn.

Roll two d8 and choose one result. Draw cards equal to that result. Then you may cast an instant or sorcery spell with mana value less than or equal to the other result from your hand without paying its mana cost.

Search the Room -- {5}{U}: Roll a d20.

1--9 | Draw a card.

10--20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

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

(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.

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.

Bloodcrazed Goblin can't attack unless an opponent has been dealt damage this turn.

Bloodcrazed Neonate attacks each combat if able.

Whenever Bloodcrazed Neonate deals combat damage to a player, put a +1/+1 counter on it.

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

Draw three cards, then put two cards from your hand on top of your library in any order.

Whenever you roll one or more dice, Brazen Dwarf deals 1 damage to each opponent.

{1}, {T}: Roll a d4 and create a number of Treasure tokens equal to the result. The player to your right gains control of Bucknard's Everfull Purse.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

Wild Magic Surge -- Whenever Chaos Channeler 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.

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.

Chaotic Goo enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on Chaotic Goo. If you lose the flip, remove a +1/+1 counter from Chaotic Goo.

Cast this spell only during combat after blockers are declared.

Flip a coin. If you win the flip, target creature gets +1/+1 until end of turn.

Draw a card.

Exile up to one target artifact, up to one target creature, up to one target enchantment, up to one target planeswalker, and/or up to one target land. For each permanent exiled this way, its controller reveals cards from the top of their library until they reveal a card that shares a card type with it, puts that card onto the battlefield, then shuffles.

{6}, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)

Berserk -- When Clay Golem becomes monstrous, destroy target permanent.

{T}, Remove a component counter from Component Pouch: Add two mana of different colors.

{T}: Roll a d20.

1--9 | Put a component counter on Component Pouch.

10--20 | Put two component counters on Component Pouch.

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 the battlefield tapped.

Roll a d20.

1--9 | Draw two cards.

10--19 | Scry 2, then draw two cards.

20 | Scry 3, then draw three cards.

When Crazed Firecat enters the battlefield, flip a coin until you lose a flip. Put a +1/+1 counter on Crazed Firecat for each flip you won.

Crazed Goblin attacks each combat if able.

Indestructible

Whenever Creepy Doll deals combat damage to a creature, flip a coin. If you win the flip, destroy that creature.

Haste

Whenever Creepy Puppeteer attacks, if you attacked with exactly one other creature this combat, you may have that creature's base power and toughness become 4/3 until end of turn.

Target creature gains double strike until end of turn.

When you roll a natural 20, return Critical Hit from your graveyard to your hand. (A natural 20 is a roll that displays 20 on the die.)

{4}, {T}: Flip a coin. If you win the flip, destroy target creature an opponent controls. If you lose the flip, destroy target creature you control unless you pay {3} and repeat this process.

Enchant creature

Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card."

At the beginning of your end step, if you didn't attack with a creature this turn, sacrifice Curious Obsession.

Whenever Delina, Wild Mage 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 creature."

15--20 | Create one of those tokens. You may roll again.

Roll a d20 and add the number of cards in your hand.

1--14 | Draw X cards.

15+ | Scry X, then draw X cards.

Flying

When Djinni Windseer enters the battlefield, roll a d20.

1--9 | Scry 1.

10--19 | Scry 2.

20 | Scry 3.

Siege Monster -- When Earth-Cult Elemental enters the battlefield, roll a d20.

1--9 | Each player sacrifices a permanent.

10--19 | Each opponent sacrifices a permanent.

20 | Each opponent sacrifices two permanents.

Ebony Fly enters the battlefield tapped.

{T}: Add {C}.

{4}: Roll a d6. Until end of turn, you may have Ebony Fly become an X/X Insect artifact creature with flying, where X is the result.

Whenever Ebony Fly attacks, another target attacking creature gains flying until end of turn.

Farideh's Fireball deals 5 damage to target creature or planeswalker. Roll a d20.

1--9 | Farideh's Fireball deals 2 damage to each player.

10--20 | Farideh's Fireball deals 2 damage to each opponent.

Dark One's Own Luck -- Whenever you roll one or more dice, Farideh, Devil's Chosen gains flying and menace until end of turn. If any of those results was 10 or higher, draw a card.

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

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.

Equipped creature gets +1/+0 and has trample.

Equip {1}{R}

When Goblin Morningstar enters the battlefield, roll a d20.

1--9 | Create a 1/1 red Goblin creature token.

10--20 | Create a 1/1 red Goblin creature token, then attach Goblin Morningstar to it.

{T}: Add {R}.

Halimar Depths enters the battlefield tapped.

When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order.

{T}: Add {U}.

Whenever Hoarding Ogre attacks, roll a d20.

1--9 | Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

10--19 | Create two Treasure tokens.

20 | Create three Treasure tokens.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

{T}: Add {C}.

{4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1--9 | Iron Mastiff deals damage equal to its power to you.

10--19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

Cycling {U} ({U}, Discard this card: Draw a card.)

Enchant player

Whenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.

{T}, Sacrifice Mimic: Add one mana of any color.

{2}: Mimic becomes a Shapeshifter artifact creature with base power and toughness 3/3 until end of turn.

({T}: Add {U} or {R}.)

Molten Tributary enters the battlefield tapped.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {U}.)

Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands.

When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Whenever you cast a spell, you may put it on the bottom of its owner's library. If you do, reveal cards from the top of your library until you reveal a nonland card. You may cast that card without paying its mana cost. Then put all revealed cards not cast this way on the bottom of your library in a random order. This ability triggers only once each turn.

Counter target noncreature spell.

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.

Partner with Zndrsplt, Eye of Wisdom (When this creature enters the battlefield, target player may put Zndrsplt into their hand from their library, then shuffle.)

At the beginning of combat on your turn, flip a coin until you lose a flip.

Whenever a player wins a coin flip, double Okaun's power and toughness until end of turn.

Flying

Grant an Advantage -- If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.

Choose target creature an opponent controls, then roll a d20.

1--9 | Return it to its owner's hand.

10--19 | Its owner puts it on the top or bottom of their library.

20 | Gain control of it until the end of your next turn.

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.

You have no maximum hand size.

{T}: Add {C}.

{T}: Add {U}.

{T}: Add {R}.

{T}: Add {C}.

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

Flash

Cone of Cold -- When Scion of Stygia enters the battlefield, choose target creature an opponent controls, then roll a d20.

1--9 | Tap that creature.

10--20 | Tap that creature. It doesn't untap during its controller's next untap step.

Shatterskull Smashing deals X damage divided as you choose among up to two target creatures and/or planeswalkers. If X is 6 or more, Shatterskull Smashing deals twice X damage divided as you choose among them instead.

As Shatterskull, the Hammer Pass enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.

{T}: Add {R}.

Flash

{5}, {T}, Sacrifice Spiked Pit Trap: Choose target creature, then roll a d20.

1--9 | Spiked Pit Trap deals 5 damage to that creature.

10--20 | Spiked Pit Trap deals 5 damage to that creature. Create a Treasure token.

When Swarming Goblins enters the battlefield, 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.

Whenever equipped creature attacks, put a +1/+1 counter on it.

Whenever equipped creature deals combat damage, roll a d12. If the result is greater than the damage dealt or the result is 12, double the number of +1/+1 counters on that creature.

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

{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.

Roll a d20.

1--9 | Thunderwave deals 3 damage to each creature.

10--19 | You may choose a creature. Thunderwave deals 3 damage to each creature not chosen this way.

20 | Thunderwave deals 6 damage to each creature your opponents control.

{4}, Sacrifice Treasure Chest: Roll a d20.

1 | Trapped! -- You lose 3 life.

2--9 | Create five Treasure tokens.

10--19 | You gain 3 life and draw three cards.

20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into your hand. Then shuffle.

{T}: Add {C}.

{5}, {T}, Exile Underdark Rift: 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.

Whenever you roll one or more dice, put a number of charge counters on Vexing Puzzlebox equal to the result.

{T}: Add one mana of any color. Roll a d20.

{T}, Remove 100 charge counters from Vexing Puzzlebox: Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Wandering Fumarole enters the battlefield tapped.

{T}: Add {U} or {R}.

{2}{U}{R}: Until end of turn, Wandering Fumarole becomes a 1/4 blue and red Elemental creature with "{0}: Switch this creature's power and toughness until end of turn." It's still a land.

{T}: Exile target instant or sorcery card from a graveyard. Roll a d20. Activate only as a sorcery.

1--9 | Copy that card. You may cast the copy.

10--19 | Copy that card. You may cast the copy by paying {1} rather than paying its mana cost.

20 | Copy each card exiled with Wizard's Spellbook. You may cast any number of the copies without paying their mana costs.

Choose target spell or ability with one or more targets. Roll a d20 and add the greatest power among creatures you control.

1--14 | You may choose new targets for that spell or ability.

15+ | You may choose new targets for that spell or ability. Then copy it. You may choose new targets for the copy.

If you would roll one or more dice, instead roll that many dice plus one and ignore the lowest roll.

Whenever you roll one or more dice, put a +1/+1 counter on Wyll, Blade of Frontiers.

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

Partner with Okaun, Eye of Chaos (When this creature enters the battlefield, target player may put Okaun into their hand from their library, then shuffle.)

At the beginning of combat on your turn, flip a coin until you lose a flip.

Whenever a player wins a coin flip, draw a card.