msem-instigator

When Drownyard Scavenger enters the battlefield, each player may return an instant or sorcery card from their graveyard to their hand.

Gifted Arcanomancer gets +1/+1 as long as you control a Mountain.
{3}{R}: Exile the top card of your library. Until end of turn, you may play that card.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Glimmerwing Trickster deals combat damage to a player, scry 2.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Whenever you cast an artifact spell, scry 2.

You may have Insipid Metamorph enter the battlefield as a copy of any other creature on the battlefield, except it's 1/1.

Flying (This creature can't be blocked except by creatures with flying or reach.)
When Iridescent Familiar enters the battlefield, if you control another creature with flying, draw a card.

Whenever you cast a noncreature spell, scry 1.
{3}{U}, Exile an instant or sorcery card from your graveyard: Draw a card.

Creatures your opponents control get -4/-0 until end of turn. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Flying
At the beginning of your upkeep, if it isn't an extra turn, put a sage counter on Magistrate of Eras.
Remove five sage counters from Magistrate of Eras: Take an extra turn after this one.

Choose two —
• Counter target spell unless its controller pays {6}.
• Target player draws two cards, then discards a card.
• Creatures target player doesn't control get -3/-0 until end of turn.
• Exile up to two target creatures, then return those cards to the battlefield under their owners' control.

When Mindbreak Artisan enters the battlefield, you may search your library for an artifact card, reveal it, shuffle, then put that card on top.
Other artifacts you control have “You may choose not to untap this artifact during your untap step” and “{3}{U}{U}, {T}: Gain control of target creature for as long as you control this artifact and it remains tapped.”

Creatures you control with flying get +1/+1.
Whenever a creature you control with flying deals combat damage to a player, you may pay {U}. If you do, draw a card.

Put target nonland permanent on top of its owner's library.
Draw a card.

Scry X, where X is the number of artifacts you control, then reveal the top card of your library. If it's an artifact card with mana value X or less, put it onto the battlefield. Otherwise, draw a card.

Kicker {2} (You may pay an additional {2} as you cast this spell.)
Counter target spell if its mana value is 2 or less. If this spell was kicked, counter that spell if its mana value is 4 or less instead.

Defender (This creature can't attack.)
Whenever you cast a spell during an opponent's turn, scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Counter target creature spell. If this spell was kicked, create a 1/1 colorless Thopter artifact creature token with flying.

Kicker {U} (You may pay an additional {U} as you cast this spell.)
Counter target spell. If this spell was kicked, look at the top three cards of your library, then put them back in any order.

Flash (You may cast this spell any time you could cast an instant.)
When Replicator Mage enters the battlefield, you may create a token that's a copy of target creature that's attacking you. Exile that token at end of combat.

Steel Hunter can't attack unless you control three or more other artifacts.

Return target nonland permanent to its owner's hand. If you control an artifact, draw a card.

Kicker {4}{U}{U} (You may pay an additional {4}{U}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, create an 8/8 blue Kraken creature token with trample.

Kicker {X}{U} (You may pay an additional {X}{U} as you cast this spell.)
When Tidetwister Mage enters the battlefield, if it was kicked, return all other creatures with power X or less to their owners' hands.