msem-instigator

Flying
Whenever Souls of the Jury enters or an opponent fails a trial, create a 1/1 white Cleric creature token.

Sacrifice a creature: Soulsorrow Shade gets +2/+2 until end of turn.

Bulwark — Whenever Soulstone Servant attacks, if you control a creature with toughness 4 or greater, Soulstone Servant gets +2/+2 and gains flying until end of turn.

{3}, {T}, Sacrifice a non-Spirit creature: Create a 1/1 white Spirit creature token with flying.

Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)
When Sower of Wishes enters, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest back on top in any order.

Create two 1/1 blue Elemental creature tokens with flying.

Sparkmage Prodigy has first strike as long as it's your turn.
Whenever you cast a cryptic spell, Sparkmage Prodigy deals 1 damage to each opponent. (Artifacts, enchantments, and modal spells are cryptic.)

Vigilance
When Spear of the Folded Fan enters, if you control a legendary creature, you gain 4 life.

When Specialist Saboteur enters, choose one —
• Put a +1/+1 counter on Specialist
Saboteur.
• Destroy target enchantment.

When Specimen Collector enters, you may salvage a creature card. (Exile one from your graveyard until this creature leaves the battlefield. Whenever this creature deals combat damage to a player, put a card it salvaged into your hand.)

Equipped creature gets +3/+3.
Whenever equipped creature attacks, draw a card.
Equip {5}
Equip creature you don't own {0}

Speckled Outcast has menace as long as it's enchanted.

Whenever an artifact you control enters, you may put a progress counter on Spectacle of Innovation.
[progress 1+] Artifact creatures you control get +1/+1.
[progress 3+] Artifact creatures you control have flying and hexproof.
Artifact creatures you control have flying and hexproof.

Enchant creature
When Spectral Chains enters, create two 1/1 white Spirit creature tokens with flying.
As long as you control a creature, enchanted creature can't attack or block and its activated abilities can't be activated.

Flying
When Spectre of Terror deals combat damage to a player, that player discards a card.
Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Exile up to three target instant and/or sorcery cards from your graveyard. Until end of turn, you may cast cards exiled this way.
Exile Speedreading.

Choose target spell. Scry 3, then reveal the top card of your library. Counter the chosen spell unless its controller pays {X}, where X is that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Haste
Whenever Spellmaw Crocodile deals combat damage to a player, draw a card.
Discard a card: Spellmaw Crocodile can't be blocked this turn.

You may cast this spell without paying its mana cost if it's the only card in your hand.
Counter target spell.

When Spellslinger's Gauntlet enters, exile an instant or sorcery card with mana value 3 or less from your hand.
Whenever equipped creature attacks, you may copy the exiled card. If you do, you may cast the copy without paying its mana cost.
Equip {3}

{1}, {T}, Exile Sphere of Sorcery: Return target noncreature, nonland card from your graveyard to your hand.
{8}, {T}, Exile Sphere of Sorcery: Return any number of target noncreature, nonland cards from your graveyard to your hand.

Each opponent can't draw more than one card each turn.
Cycling {W} ({W}, Discard this card: Draw a card.)
When you cycle Sphinx's Authority, you gain 1 life.

Counter target spell. Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

Untap target creature. It gets +2/+4 and gains reach until end of turn.