Experimental Synthesizer

When this artifact enters or leaves the battlefield, exile the top card of your library. Until end of turn, you may play that card.
{2}{R}, Sacrifice this artifact: Create a 2/2 white Samurai creature token with vigilance. Activate only as a sorcery.

"Name Sticker" Goblin

When this creature enters from anywhere other than a graveyard or exile, if it's on the battlefield and you control 9 or fewer creatures named "Name Sticker" Goblin, roll a 20-sided die.
1-6 | Add {R}{R}{R}{R}.
7-14 | Add {R}{R}{R}{R}{R}.
15-20 | Add {R}{R}{R}{R}{R}{R}.

Flaring Pain

Damage can't be prevented this turn.
Flashback {R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Goblin Tomb Raider

As long as you control an artifact, this creature gets +1/+0 and has haste.

Mountain

Brightstone Ritual

Add {R} for each Goblin on the battlefield.

Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Great Furnace

_____ Goblin

When this creature enters, you may put a name sticker on it. Add {R} for each unique vowel on that sticker. (The vowels are A, E, I, O, U, and Y.)

Lotus Petal

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

Ground Rift

Target creature without flying can't block this turn.
Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Goblin Matron

When this creature enters, you may search your library for a Goblin card, reveal that card, put it into your hand, then shuffle.

Goblin Blast-Runner

This creature gets +2/+0 and has menace as long as you sacrificed a permanent this turn.

Goblin Bushwhacker

Kicker {R} (You may pay an additional {R} as you cast this spell.)
When this creature enters, if it was kicked, creatures you control get +1/+0 and gain haste until end of turn.

Goblin Caves

Enchant land
As long as enchanted land is a basic Mountain, Goblin creatures get +0/+2.

Wrenn's Resolve

Kuldotha Rebirth

As an additional cost to cast this spell, sacrifice an artifact.
Create three 1/1 red Goblin creature tokens.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.