Jakob Eirich

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Featherbrained Filcher

Flying
When this creature leaves the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Evendo's microbial life swiftly adapted to metabolize the leaking star fuel, devouring it like any other nourishment.

Festering Thicket

({T}: Add {B} or {G}.)
This land enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Turtle Van // Turtle Van

Turtle Van

Whenever this Vehicle attacks, put a +1/+1 counter on target creature that crewed it this turn. Then if that creature is a Mutant, Ninja, or Turtle, double the number of +1/+1 counters on it.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Turtle Blimp

Flying
When this Vehicle enters, create a 2/2 red Mutant creature token.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

"Spray them with the anti-mutagen? No, no. I'm afraid ingestion is the only course."
—Dr. Jordan Perry

Tainted Treats

Destroy target artifact or creature. If its mana value was 4 or less, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

"As far as I'm concerned, Pepperoni's one of us!"
—Raphael

Prehistoric Pet

This creature can't be blocked by creatures with greater power.
{1}{W}, {T}: Return another target creature you control to its owner's hand. Activate only during your turn.

"Hmmm . . . How many should I send? Three? Five? Ten, maybe!"
—Baxter Stockman

Mouser Foundry

When this artifact enters or leaves the battlefield, create a 1/1 colorless Robot artifact creature token.
{4}{R}, Sacrifice this artifact: It deals 3 damage to target creature.

"This is great! I must really be onto something hot if they're trying to kill me!"

April O'Neil, Live on the Scene

Whenever a Mutant, Ninja, or Turtle you control enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Partner—Character select

Gwen Stacy // Ghost-Spider

When Gwen Stacy enters, exile the top card of your library. You may play that card for as long as you control this creature.
{2}{U}{R}{W}: Transform Gwen Stacy. Activate only as a sorcery.

Vigorous Farming

Lands you control enter the battlefield untapped.
At the beginning of your end step, the topmost land card in your library perpetually gains "Whenever this land is tapped for mana, add an additional {G}."

Tempest Trapper

{T}: Add two mana in any combination of colors. Spend this mana only to cast instant or sorcery spells.
Whenever you cast your third spell each turn, exile a random card from your library. Until end of turn, you may play that card without paying its mana cost.

Bramblearmor Brawler

This spell can't be countered.
Trample
Whenever an opponent casts a noncreature spell, creature cards in your library perpetually get +1/+1.

Tender Wildguide

{T}: Add one mana of any color.
{T}: Put a +1/+1 counter on this creature.
(This token's mana cost is {1}{G}.)

Offspring {2} (You may pay an additional {2} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)
{T}: Add one mana of any color.
{T}: Put a +1/+1 counter on this creature.

Tempt with Discovery

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.

His keen eyes can see the glint of scales far below the river's surface.

Knightfisher

Flying
Whenever another nontoken Bird you control enters, create a 1/1 blue Fish creature token.

Farseek // Farseek

For most animalfolk, Valley is a paradise. But among some adventurers, the promise of "somewhere else" is just as captivating.

Farseek

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

"Why should the birdfolk get the best view?"

Brambleguard Veteran

Whenever you expend 4, Raccoons you control get +1/+1 and gain vigilance until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a turn.)

Blooming Blast

Gift a Treasure (You may promise an opponent a gift as you cast this spell. If you do, they create a Treasure token before its other effects. It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Blooming Blast deals 2 damage to target creature. If the gift was promised, Blooming Blast also deals 3 damage to that creature's controller.

Anointed Procession // Anointed Procession

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Lulu, Wild Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, those creatures get +2/+2 until end of turn.

Lulu, Vengeful Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, each opponent loses that much life and you gain that much life.

Lulu, Inspiring Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, create that many 1/1 white Soldier creature tokens that are tapped and attacking.

Lulu, Helpful Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, you gain twice that much life.

Lulu, Curious Hollyphant

Flying
Whenever you attack with one or more other creatures with flying, draw that many cards, then discard a card.

Lulu, Loyal Hollyphant // Lulu, Loyal Hollyphant

Lulu, Loyal Hollyphant

Flying
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, put a +1/+1 counter on each tapped creature you control, then untap them.
Choose a Background (You can have a Background as a second commander.)

Lucy had chased every ball, chewed every stick, and rolled in every puddle. She lay down in the sun, content at last.

Rest in Peace

When this enchantment enters, exile all graveyards.
If a card or token would be put into a graveyard from anywhere, exile it instead.

"Troops, kitten formation! This mouse won't catch itself!"
—Whiskers

Leonin Warleader

Whenever this creature attacks, create two 1/1 white Cat creature tokens with lifelink that are tapped and attacking.