msem-instigator

Whenever you cast a cryptic spell, tap up to one target nonland permanent. (Artifacts, enchantments, and modal spells are cryptic.)

You gain 5 life. Then draw a card if you've lost life this turn.

Whenever Waketide Serpent attacks, you may pay {2}{U}. If you do, tap target creature. It doesn't untap during its controller's next untap step.

Flying, prowess
When Sphinx Mentor enters or dies, draw a card.

Flying
When Bogsnatcher Drake enters, create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Search your library for a permanent card with mana value 3 or less and put it onto the battlefield, then shuffle.
Motley — Then if there are five or more names among nonland permanents you control, you gain 7 life.

When Umbersteed dies, target creature an opponent controls gets -4/-4 until end of turn.
Foreshadow {5}{B}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Exile target creature. That creature's controller creates a 1/1 white Soldier creature token, then judges that token. (They honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Hidden Prowess deals 2 damage to target creature. When that creature dies this turn, create a 1/1 red Elemental creature token.

Choose one —
• Target creature gets +4/+0 until end of turn.
• Sandstorm Charm deals 1 damage to target creature. It can't block this turn.
• Scry 1, then draw a card.

({T}: Add {W} or {U}.)
Whenever Sedate Tundra becomes tapped, you lose 1 life unless you control two or more basic lands.

Torrent of Ankuliths deals 5 damage to target creature. Create a 1/1 red Elemental creature token.

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

{2}{U}: Return Windcaller Capuchin to its owner's hand.

As long as Sigiled Scrollcase is attached to a creature you control, you have no maximum hand size.
Whenever equipped creature dies, draw a card.
Equip {1}

Other creatures get -1/-1.
Recite {1}{B} (You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters or if it would leave the battlefield.)

Whenever Pineblight Caribou enters or attacks, you may have it consume a land. If you do, draw a card and you gain 2 life. (To consume a land, sacrifice a land or exile a land card from your graveyard.)

Destroy target land. Create a 2/2 black Zombie creature token.

Enchant creature
Enchanted creature gets +2/+2 and has flying.

Enchant creature
Enchanted creature has frenzy 3. (Whenever that creature attacks and isn't blocked, it gets +3/+0 until end of turn.)

Choose two —
• Exile target creature with the greatest power among creatures on the battlefield.
• Target player looks at the top four cards of their library. They put one into their hand, then exile the rest.
• Exile up to four target cards from opponents' graveyards.
• Until the end of your next turn, target player may play cards exiled by Andazir's Command.

Abandoned Den enters tapped.
{T}: Add {B}.
{B}, {T}: Target player loses 1 life. Activate only as a sorcery and only if you control a black creature.

Create a 2/2 black Zombie creature token.
Tether (Then if you cast this from your hand, you may exile it tethered to a creature you control. When it dies, you may cast this from exile without paying its mana cost.)

Sacrifice a creature: Put a +1/+1 counter on Endak City Slavedriver. Activate only as a sorcery.

Sprout Hermit can't attack unless you control a creature with power 4 or greater.
Attain {3}{G} ({3}{G}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)