Goatnapper

When Goatnapper enters the battlefield, untap target Goat and gain control of it until end of turn. It gains haste until end of turn.

Boggart Forager

, Sacrifice Boggart Forager: Target player shuffles their library.

Thrull Retainer

Enchant creature
Enchanted creature gets +1/+1.
Sacrifice Thrull Retainer: Regenerate enchanted creature.

Goblin Grenade

As an additional cost to cast this spell, sacrifice a Goblin.
Goblin Grenade deals 5 damage to any target.

Order of the Ebon Hand

Protection from white
: Order of the Ebon Hand gains first strike until end of turn.
: Order of the Ebon Hand gets +1/+0 until end of turn.

Unsummon

Return target creature to its owner’s hand.

The Hive

, : Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can’t be blocked except by creatures with flying or reach.)

Warp World

Each player shuffles all permanents they own into their library, then reveals that many cards from the top of their library. Each player puts all artifact, creature, and land cards revealed this way onto the battlefield, then does the same for enchantment cards, then puts all cards revealed this way that weren’t put onto the battlefield on the bottom of their library.

The Hive

, : Create a 1/1 colorless Insect artifact creature token with flying named Wasp. (It can’t be blocked except by creatures with flying or reach.)

Firebolt

Firebolt deals 2 damage to any target.
Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Wrath of God

Destroy all creatures. They can’t be regenerated.

Yawgmoth’s Will

Until end of turn, you may play lands and cast spells from your graveyard.
If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Sidewinder Sliver

All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)

Spined Sliver

Whenever a Sliver becomes blocked, that Sliver gets +1/+1 until end of turn for each creature blocking it.

Strength in Numbers

Until end of turn, target creature gains trample and gets +X/+X, where X is the number of attacking creatures.

Crookclaw Transmuter

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Crookclaw Transmuter enters the battlefield, switch target creature’s power and toughness until end of turn.

Thallid

At the beginning of your upkeep, put a spore counter on Thallid.
Remove three spore counters from Thallid: Create a 1/1 green Saproling creature token.

Vhati il-Dal

: Until end of turn, target creature has base power 1 or base toughness 1.

Sporesower Thallid

At the beginning of your upkeep, put a spore counter on each Fungus you control.
Remove three spore counters from Sporesower Thallid: Create a 1/1 green Saproling creature token.

Ashen Ghoul

Haste
: Return Ashen Ghoul from your graveyard to the battlefield. Activate this ability only during your upkeep and only if three or more creature cards are above Ashen Ghoul.

Surging Flame

Ripple 4 (When you cast this spell, you may reveal the top four cards of your library. You may cast spells with the same name as this spell from among those cards without paying their mana costs. Put the rest on the bottom of your library.)
Surging Flame deals 2 damage to any target.

Shape of the Wiitigo

Enchant creature
When Shape of the Wiitigo enters the battlefield, put six +1/+1 counters on enchanted creature.
At the beginning of your upkeep, put a +1/+1 counter on enchanted creature if it attacked or blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it.