David Semple

Katerina of Myra's Marvels

As Katerina of Myra's Marvels enters, choose a letter.
Whenever you cast a spell whose name begins with the chosen letter, create a white 2/2 Cat creature token with flying.
Partner (You can have two commanders if they both have partner.)

Tusk and Whiskers

Whenever you put an ability sticker on a creature, put a +1/+1 counter on that creature.
{2}{G}{W}, {T}: You get {TK}. You may put a sticker on a nonland permanent you own.

The Space Family Goblinson

The Space Family Goblinson has trample as long as you've rolled three or more dice this turn.
Whenever you roll a die, put a +1/+1 counter on The Space Family Goblinson.

Spinnerette, Arachnobat

Reach
When Spinnerette enters, open an Attraction.
As long as you control three or more Attractions, Spinnerette gets +2/+0 and has menace.

Nocturno of Myra's Marvels

As Nocturno of Myra's Marvels enters, choose a word with five or more letters.
Whenever you cast a spell with the chosen word in its rules text, you draw a card and you lose 2 life.
Partner (You can have two commanders if both have partner.)

Magar of the Magic Strings

{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."

Ignacio of Myra's Marvels

As Ignacio of Myra's Marvels enters, choose armor, blood, book, bottle, fang, fire, scroll, spear, sword, or water.
Whenever you cast a spell with the chosen object in its art, create two Treasure tokens.
Partner (You can have two commanders if both have partner.)

Hardy of Myra's Marvels

As Hardy of Myra's Marvels enters, choose a number.
Whenever you cast a spell with the chosen number of lines of flavor text, put that many +1/+1 counters on target creature.
Partner (You can have two commanders if both have partner.)

Fluros of Myra's Marvels

As Fluros of Myra's Marvels enters, choose a number greater than 0.
Whenever you cast a spell with power, toughness, or loyalty equal to the chosen number, target artifact or creature becomes an artifact creature with base power and toughness X/X until end of turn, where X is the chosen number.
Partner

Devil K. Nevil

Haste
When Devil K. Nevil enters, jump it over any number of creatures. If it clears those creatures, put that many +1/+1 counters on it. (You can see a jumping demonstration at DevilKNevil.com.)

Comet, Stellar Pup

[0]: Roll a six-sided die.
1 or 2 — [+2], then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn.
3 — [−1], then return a card with mana value 2 or less from your graveyard to your hand.
4 or 5 — Comet deals damage equal to the number of loyalty counters on him to a creature or player, then [−2].
6 — [+1], and you may activate Comet's loyalty ability two more times this turn.

Ambassador Blorpityblorpboop

When Ambassador Blorpityblorpboop enters, you get {TK}{TK}{TK}, then you may put a sticker on a nonland permanent you own.
At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power become equal to the total power of all stickers on permanents you control and its base toughness become equal to those stickers' total toughness.

SetSorted descending	NameCard name and typeCardsNot sorted	Rarity	Type	PriceNot sorted	FoilNot sorted
[UNF] #273	Tusk and WhiskersTusk and WhiskersLegendary Creature — Elephant Mouse Performer[UNF] \| #273 \| Uncommon \| Price: $0.08 \| Foil price: ✨$0.14	uncommon	Legendary Creature — Elephant Mouse Performer	$0.08	✨$0.14
[UNF] #270	The Space Family GoblinsonThe Space Family GoblinsonLegendary Creature — Goblin Guest[UNF] \| #270 \| Uncommon \| Price: $0.28 \| Foil price: ✨$0.19	uncommon	Legendary Creature — Goblin Guest	$0.28	✨$0.19
[UNF] #271	Spinnerette, ArachnobatSpinnerette, ArachnobatLegendary Creature — Spider Performer[UNF] \| #271 \| Uncommon \| Price: $0.18 \| Foil price: ✨$0.14	uncommon	Legendary Creature — Spider Performer	$0.18	✨$0.14
[UNF] #248	Nocturno of Myra's MarvelsNocturno of Myra's MarvelsLegendary Creature — Vampire Performer[UNF] \| #248 \| Rare \| Price: $0.12 \| Foil price: ✨$0.13	rare	Legendary Creature — Vampire Performer	$0.12	✨$0.13
[UNF] #263	Magar of the Magic StringsMagar of the Magic StringsLegendary Creature — Minotaur Performer[UNF] \| #263 \| Mythic \| Price: $0.51 \| Foil price: ✨$0.68	mythic	Legendary Creature — Minotaur Performer	$0.51	✨$0.68
[UNF] #245	Katerina of Myra's MarvelsKaterina of Myra's MarvelsLegendary Creature — Human Performer[UNF] \| #245 \| Rare \| Price: $0.17 \| Foil price: ✨$0.25	rare	Legendary Creature — Human Performer	$0.17	✨$0.25
[UNF] #250	Ignacio of Myra's MarvelsIgnacio of Myra's MarvelsLegendary Creature — Lizard Performer[UNF] \| #250 \| Rare \| Price: $0.16 \| Foil price: ✨$0.14	rare	Legendary Creature — Lizard Performer	$0.16	✨$0.14
[UNF] #252	Hardy of Myra's MarvelsHardy of Myra's MarvelsLegendary Creature — Elf Performer[UNF] \| #252 \| Rare \| Price: $0.24 \| Foil price: ✨$0.22	rare	Legendary Creature — Elf Performer	$0.24	✨$0.22
[UNF] #247	Fluros of Myra's MarvelsFluros of Myra's MarvelsLegendary Creature — Merfolk Performer[UNF] \| #247 \| Rare \| Price: $0.18 \| Foil price: ✨$0.23	rare	Legendary Creature — Merfolk Performer	$0.18	✨$0.23
[UNF] #249	Devil K. NevilDevil K. NevilLegendary Creature — Devil Performer[UNF] \| #249 \| Rare \| Price: $0.22 \| Foil price: ✨$0.41	rare	Legendary Creature — Devil Performer	$0.22	✨$0.41
[UNF] #275	Comet, Stellar PupComet, Stellar PupLegendary Planeswalker — Comet[UNF] \| #275 \| Mythic \| Price: $7.14 \| Foil price: ✨$7.68	mythic	Legendary Planeswalker — Comet	$7.14	✨$7.68
[UNF] #254	Ambassador BlorpityblorpboopAmbassador BlorpityblorpboopLegendary Creature — Alien Advisor Guest[UNF] \| #254 \| Uncommon \| Price: $0.16 \| Foil price: ✨$0.21	uncommon	Legendary Creature — Alien Advisor Guest	$0.16	✨$0.21