Smash to Smithereens

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Insurrection

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Spider-Punk

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Other Spiders you control have riot.
Spells and abilities can't be countered.
Damage can't be prevented.

Burning-Tree Vandal

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Whenever this creature attacks, you may discard a card. If you do, draw a card.

Confusion in the Ranks

Whenever an artifact, creature, or enchantment enters, its controller chooses target permanent another player controls that shares a card type with it. Exchange control of those permanents.

Masterwork of Ingenuity

You may have this Equipment enter as a copy of any Equipment on the battlefield.

Barbarian Bully

Discard a card at random: This creature gets +2/+2 until end of turn unless a player has this creature deal 4 damage to them. Activate only once each turn.

Anarchy

Anarchist

When this creature enters, you may return target sorcery card from your graveyard to your hand.

Mana Flare

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Blood Moon

Chaos Warp

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Ghor-Clan Wrecker

Riot (This creature enters with your choice of a +1/+1 counter or haste.)
Menace (This creature can't be blocked except by two or more creatures.)

Dwarven Berserker

Whenever this creature becomes blocked, it gets +3/+0 and gains trample until end of turn.

Pandemonium

Whenever a creature enters, that creature's controller may have it deal damage equal to its power to any target of their choice.

Incite War

Choose one —
• Creatures target player controls attack this turn if able.
• Creatures you control gain first strike until end of turn.
Entwine {2} (Choose both if you pay the entwine cost.)

Maskwood Nexus

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.
{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)