msem-instigator

Equipped creature gets +2/+2 and has protection from green and from white.
Whenever equipped creature deals combat damage to a player, you may reveal the top five cards of your library. Put a creature card revealed this way into your hand, then put the rest into your graveyard. Destroy up to one target enchantment.
Equip {2}

Equipped creature gets +2/+2 and has protection from mana value 2 or less and from mana value 6 or greater.
Whenever equipped creature deals combat damage to a player, create a Food token and two Treasure tokens.
Equip {2}

Whenever equipped creature deals combat damage, you may return target creature card with mana value X or less from your graveyard to the battlefield, where X is the amount of damage dealt this way.
Equip {1}

Equipped creature gets +2/+2 and has protection from colorless and from multicolored. This effect doesn't remove Sword of Silver and Gold. (This permanent can't be targeted, dealt damage, enchanted, or equipped by anything colorless or multicolored.)
Whenever equipped creature deals combat damage to a player, you create a 2/2 colorless Spirit creature token and that player exiles the top three cards of their library.
Equip {2}

Equipped creature gets +2/+2 and protection from blue and from black.
Whenever equipped creature deals combat damage to a player, return up to one target creature card and up to one target instant or sorcery card from your graveyard to your hand.
Equip {2}

Equipped creature gets +2/+2 and has protection from white and from blue.
Whenever equipped creature deals combat damage to a player, until your next turn, spells that player casts cost {1} more to cast and spells you cast cost {1} less to cast.
Equip {2}

Equipped creature gets +2/+1.
Whenever a creature you control enters, you may have equipped creature gain your choice of flying, vigilance, first strike or trample until end of turn.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

Enchant creature
Enchanted creature gets +2/+0 and has first strike.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Put two +1/+1 counters on target creature. If this spell was harnessed, also put a +1/+1 counter on the creature that harnessed it.

First strike
When Sworn Cohort dies, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle.

Sycophantic Aristocrat gets +2/+1 as long as you control another Noble.

At the beginning of your upkeep, you may sacrifice Sylph Spawning. If you do, create three 1/1 blue Nymph creature tokens with flying.

Whenever you create one or more creature tokens, you may pay {1}{G/W}. If you do, put a +1/+1 counter on Sylshal, Life's Gyre and on each creature token you control.

Vigilance
Whenever a legendary creature you control enters, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

When Sylvan Explorer enters, reveal the top card of your library. If it's a land card, put it onto the battlefield tapped.

Enchant creature
When Sylvan Majesty enters, search your library for a Forest card, put it onto the battlefield tapped, then shuffle.
Enchanted creature gets +3/+3.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Target creature gets +2/+2 until end of turn. Draw a card if that creature has a counter on it.

Scry 2, then reveal the top card of your library. If it's a basic land card, put it onto the battlefield tapped. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

When Symbiotic Sprout dies, create two 1/1 green Saproling creature tokens.

(As this Discovery enters and after your draw step, add a progress counter. Stop after you've discovered.)
Archive 6 (As this enters, shuffle the top six cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Draw a card from each of your libraries.
discover — When you draw the last card from the archived library, create a 4/4 blue Sphinx Wizard creature token with flying.

Whenever you cast a blue spell, each opponent mills a card.

Synchronous Battle Armor and equipped creature get +1/+1 for each artifact you control.
Whenever equipped creature attacks, tap up to three target creatures.
Reconfigure {3}{U}{U} ({3}{U}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Flying
Synchronous Hellkite enters with a +1/+1 counter for each other artifact you control.
Sacrifice three artifacts: Return Synchronous Hellkite from your graveyard to the battlefield.