Tourmenter

Threshold — As long as seven or more cards are in your graveyard, Cephalid Sage has "When Cephalid Sage enters the battlefield, draw three cards, t...

As an additional cost to cast this spell, discard X cards. Return X target nonland permanents to their owners' hands.

Enchant creature When Stupefying Touch enters the battlefield, draw a card. Enchanted creature's activated abilities can't be activated.

Flying Discard a card: Return Skywing Aven to its owner's hand.

Reveal a card in your hand, then put that card onto the battlefield if it has the same name as a permanent.

Flying Threshold — As long as seven or more cards are in your graveyard, Possessed Aven gets +1/+1, is black, and has "{2}{B}, {T}: Destroy target...

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.

Draw a card. Madness {U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands. Your opponents can'...

Counter target spell with mana value 3 or less. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Flying {U}, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control.

{U}, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control.

Enchant creature Enchanted creature gets +1/+1 and has flying. Discard a card: Return enchanted creature to its owner's hand.

Mill seven cards. At the beginning of the next end step, exile seven cards from your graveyard.

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant green or white creature Enchanted creature has "At the beginning of your upkeep, sacrifice this creature unless you discard a card."

{1}{U}, Discard a card: Draw a card. {1}{U}, Sacrifice Compulsion: Draw a card.

Counter target spell unless its controller pays {1} for each card in your graveyard. Madness {U} (If you discard this card, discard it into exile. ...

Return target creature and target land to their owners' hands.

At the beginning of your upkeep, put a shred counter on Cephalid Vandal. Then mill a card for each shred counter on Cephalid Vandal.

Sacrifice Cephalid Snitch: Target creature loses protection from black until end of turn.

Whenever Cephalid Illusionist becomes the target of a spell or ability, mill three cards. {2}{U}, {T}: Prevent all combat damage that would be deal...

Whenever Cephalid Aristocrat becomes the target of a spell or ability, mill two cards.

Draw four cards, then choose X cards in your hand and discard the rest.