Seat of the Synod

Neurok Familiar

Flying
When Neurok Familiar enters, reveal the top card of your library. If it's an artifact card, put it into your hand. Otherwise, put it into your graveyard.

Wanderguard Sentry

When Wanderguard Sentry enters, look at target opponent's hand.

Welding Jar

Sacrifice Welding Jar: Regenerate target artifact.

Leonin Skyhunter

Merchant of Secrets

When Merchant of Secrets enters, draw a card.

Lumengrid Sentinel

Flying
Whenever an artifact you control enters, you may tap target permanent.

Plains

Sage Owl

Flying
When Sage Owl enters, look at the top four cards of your library, then put them back in any order.

Empyrial Plate

Equipped creature gets +1/+1 for each card in your hand.
Equip {2}

Ornithopter

Ancient Den

Raise the Alarm

Create two 1/1 white Soldier creature tokens.

Leonin Scimitar

Equipped creature gets +1/+1.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Somber Hoverguard

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying

Arrest

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

Wrath of God

Destroy all creatures. They can't be regenerated.

Curiosity

Enchant creature
Whenever enchanted creature deals damage to an opponent, you may draw a card.

Roar of the Kha

Choose one —
• Creatures you control get +1/+1 until end of turn.
• Untap all creatures you control.
Entwine {1}{W} (Choose both if you pay the entwine cost.)

Myr Retriever

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.

Skyhunter Cub

As long as Skyhunter Cub is equipped, it gets +1/+1 and has flying.

Island

Psychic Membrane

Defender (This creature can't attack.)
Whenever Psychic Membrane blocks, you may draw a card.

Neurok Spy

Neurok Spy can't be blocked as long as defending player controls an artifact.

Coastal Tower

Coastal Tower enters tapped.
{T}: Add {W} or {U}.

Frogmite

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Leonin Den-Guard

As long as Leonin Den-Guard is equipped, it gets +1/+1 and has vigilance.

Thoughtcast

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Draw two cards.