Flamekin Gildweaver

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

Explosive Prodigy

Vivid — When this creature enters, it deals X damage to target creature an opponent controls, where X is the number of colors among permanents you control.

Tweeze

Tweeze deals 3 damage to any target. You may discard a card. If you do, draw a card.

Sun-Dappled Celebrant

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Vigilance

Mountain

Enraged Flamecaster

Reach
Whenever you cast a spell with mana value 4 or greater, this creature deals 2 damage to each opponent.

Plains

Meanders Guide

Whenever this creature attacks, you may tap another untapped Merfolk you control. When you do, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Feisty Spikeling

Changeling (This card is every creature type.)
During your turn, this creature has first strike.

Gangly Stompling

Changeling (This card is every creature type.)
Trample

Flamebraider

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elemental sources.

Hovel Hurler

This creature enters with two -1/-1 counters on it.
{R/W}{R/W}, Remove a counter from this creature: Another target creature you control gets +1/+0 and gains flying until end of turn. Activate only as a sorcery.

Warren Torchmaster

At the beginning of combat on your turn, you may blight 1. When you do, target creature gains haste until end of turn. (To blight 1, put a -1/-1 counter on a creature you control.)

Catharsis

When this creature enters, if {W}{W} was spent to cast it, create two 1/1 green and white Kithkin creature tokens.
When this creature enters, if {R}{R} was spent to cast it, creatures you control get +1/+1 and gain haste until end of turn.
Evoke {R/W}{R/W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flame-Chain Mauler

{1}{R}: This creature gets +1/+0 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Protective Response

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Destroy target attacking or blocking creature.

Eclipsed Boggart

When this creature enters, look at the top four cards of your library. You may reveal a Goblin, Swamp, or Mountain card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Giantfall

Choose one —
• Target creature you control deals damage equal to its power to target creature an opponent controls.
• Destroy target artifact.

Goliath Daydreamer

Whenever you cast an instant or sorcery spell from your hand, exile that card with a dream counter on it instead of putting it into your graveyard as it resolves.
Whenever this creature attacks, you may cast a spell from among cards you own in exile with dream counters on them without paying its mana cost.

Sanar, Innovative First-Year

Vivid — At the beginning of your first main phase, reveal cards from the top of your library until you reveal X nonland cards, where X is the number of colors among permanents you control. For each of those colors, you may exile a card of that color from among the revealed cards. Then shuffle. You may cast the exiled cards this turn.

Cinder Strike

As an additional cost to cast this spell, you may blight 1. (You may put a -1/-1 counter on a creature you control.)
Cinder Strike deals 2 damage to target creature. It deals 4 damage to that creature instead if this spell's additional cost was paid.

Elder Auntie

When this creature enters, create a 1/1 black and red Goblin creature token.

Encumbered Reejerey

This creature enters with three -1/-1 counters on it.
Whenever this creature becomes tapped while it has a -1/-1 counter on it, remove a -1/-1 counter from it.