Gearsmith Prodigy

Gearsmith Prodigy gets +1/+0 as long as you control an artifact.

Sai, Master Thopterist

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.
{1}{U}, Sacrifice two artifacts: Draw a card.

Gilded Sentinel

Island

Waterknot

Enchant creature
When Waterknot enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Befuddle

Target creature gets -4/-0 until end of turn.
Draw a card.

Meteor Golem

When this creature enters, destroy target nonland permanent an opponent controls.

Disperse

Return target nonland permanent to its owner's hand.

Tempest Djinn

Flying
This creature gets +1/+0 for each basic Island you control.

Field Creeper

Arcane Encyclopedia

Divination

Diamond Mare

As Diamond Mare enters, choose a color.
Whenever you cast a spell of the chosen color, you gain 1 life.

Riddlemaster Sphinx

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Riddlemaster Sphinx enters, you may return target creature an opponent controls to its owner's hand.

Aviation Pioneer

When Aviation Pioneer enters, create a 1/1 colorless Thopter artifact creature token with flying.

Aven Wind Mage

Flying
Whenever you cast an instant or sorcery spell, Aven Wind Mage gets +1/+1 until end of turn.

Gearsmith Guardian

Gearsmith Guardian gets +2/+0 as long as you control a blue creature.

Air Elemental

Zahid, Djinn of the Lamp

You may pay {3}{U} and tap an untapped artifact you control rather than pay this spell's mana cost.
Flying