Reality Fracture

Legendary Creature — Homunculus

When one or more of your opponents are dealt combat damage during your turn, draw two cards. If your library has no cards in it, you win the game. Fblthp's owner shuffles him into their library. (If you draw from an empty library this way, you still win the game.)

Fblthp, Impossibly Lost

Legendary Creature — Homunculus Scout

Domain — Fblthp's power is equal to the number of basic land types among lands you control.
When Fblthp enters, search your library for up to X basic land cards with different names, reveal them, put them into your hand, then shuffle.

Fblthp, Knows the Way

Artifact

{1}{R}, {T}: Choose an exiled card used to craft this artifact at random. You may cast that card without paying its mana cost.

Cosmium Catalyst

The Lost Caverns of Ixalan Commander

{T}: Add {R}. Spend this mana only to cast an instant or sorcery spell.
Craft with four or more red instant and/or sorcery cards {3}{R}{R} ({3}{R}{R}, Exile this artifact, Exile the four or more from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

Ore-Rich Stalactite

The Lost Caverns of Ixalan

Artifact Creature — Gnome

Flash
When this creature enters, target creature an opponent controls gets -2/-0 until end of turn.

Cogwork Wrestler

Creature — Goblin Pirate

Menace, haste
Boast — Sacrifice another creature or artifact: This creature deals damage equal to 2 plus the sacrificed permanent's mana value to any target. (Activate only if this creature attacked this turn and only once each turn.)

Broadside Bombardiers

Token Creature — Octopus Performer

At the beginning of your upkeep, you may fold this token in half.

Contortionist

Unfinity Tokens

Octo Opus

Unfinity

Sorcery

Choose two letters. Put a +1/+1 counter on each creature you control whose name begins with either of the chosen letters.

Leading Performance

Contortionist // Contortionist

Enchantment

When this enchantment enters, create a 4/4 blue Octopus Performer creature token named Contortionist with "At the beginning of your upkeep, you may fold this token in half." (It becomes 2/2, then 1/1, ½/½, and so on.)
Sacrifice this enchantment: Draw a card and an additional card for each of Contortionist's folds.

Creature — Vedalken Employee

When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Seasoned Buttoneer

Creature — Alien Child Guest

As long as one or more hands are touching this creature, it gets +2/+2.
As long as two or more hands are touching this creature, it has menace.
As long as three or more hands are touching this creature, it has lifelink.

A Real Handful

Creatures you control get +2/+0 and gain alpha strike until end of turn. (A creature with alpha strike has first strike as long as it's blocking or being blocked by a creature that comes after it alphabetically.)

Aardwolf's Advantage

Creature — Elf Performer

Whenever you roll a 1 or 2, put that many +1/+1 counters on this creature.
{2}{G}: Roll a six-sided die.

Atomwheel Acrobats

Legendary Creature — Minotaur Performer

{1}{B}{R}: Note the name of target instant or sorcery card in your graveyard and put it onto the battlefield face down. It's a 3/3 creature with "Whenever this creature deals combat damage to a player, you may create a copy of the card with the noted name. You may cast the copy without paying its mana cost" and "If this creature would leave the battlefield, exile it instead of putting it anywhere else."

Magar of the Magic Strings

Battle for Baldur's Gate Tokens

Stampede Surfer

Carefree Swinemaster

Curse of the Swine

Contraband Livestock

Token Creature — Boar

Boar

Token Creature — Ox

Commander Legends: Battle for Baldur's Gate

Treasure

Creature — Dwarf Citizen

When this creature enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
{1}{B}, Sacrifice another creature or a Treasure: Draw a card.