Lavabelly Sliver

Sliver creatures you control have “When this creature enters the battlefield, it deals 1 damage to target player or planeswalker and you gain 1 life.”

Dispossess

Choose an artifact card name. Search target opponent’s graveyard, hand, and library for any number of cards with the chosen name and exile them. Then that player shuffles their library.

Lawmage’s Binding

Flash
Enchant creature
Enchanted creature can’t attack or block, and its activated abilities can’t be activated.

Alpine Houndmaster

When Alpine Houndmaster enters the battlefield, you may search your library for a card named Alpine Watchdog and/or a card named Igneous Cur, reveal them, put them into your hand, then shuffle your library.
Whenever Alpine Houndmaster attacks, it gets +X/+0 until end of turn, where X is the number of other attacking creatures.

Capture Sphere

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.

Humming-

Flying
Whenever you attack with two or more creatures,
Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Bat-

Flying
At the beginning of each end step, if an opponent lost 3 or more life this turn,
Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Mer Man

When this creature enters the battlefield, you may draw a card.

Flummoxed Cyclops

Reach
Whenever two or more creatures your opponents control attack, Flummoxed Cyclops can’t block this combat.

Goblin Locksmith

Whenever Goblin Locksmith attacks, creatures with defender can’t block this turn.

Hired Blade

Flash (You may cast this spell any time you could cast an instant.)

Lawmage’s Binding

Flash
Enchant creature
Enchanted creature can’t attack or block, and its activated abilities can’t be activated.

Capture Sphere

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
When Capture Sphere enters the battlefield, tap enchanted creature.
Enchanted creature doesn’t untap during its controller’s untap step.

Barge In

Target attacking creature gets +2/+2 until end of turn. Each attacking non-Human creature gains trample until end of turn.

Magmatic Sinkhole

Delve (Each card you exile from your graveyard while casting this spell pays for .)
Magmatic Sinkhole deals 5 damage to target creature or planeswalker.

Lavabelly Sliver

Sliver creatures you control have “When this creature enters the battlefield, it deals 1 damage to target player or planeswalker and you gain 1 life.”

Krenko, Tin Street Kingpin

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko’s power.

Krenko, Tin Street Kingpin

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko’s power.

Krenko, Tin Street Kingpin

Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko’s power.

Treasure

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

Slimebind

Flash
Enchant creature
Enchanted creature gets -4/-0.