When Architects of Will enters the battlefield, look at the top three cards of target player's library, then put them back in any order. Cycling {U/B} ({U/B}, Discard this card: Draw a card.)

{B}, Pay 1 life: Add one mana of any color.

Whenever you cycle another card, you gain 1 life. Cycling {1} ({1}, Discard this card: Draw a card.)

Whenever you cycle another card, Drannith Stinger deals 1 damage to each opponent. Cycling {1} ({1}, Discard this card: Draw a card.)

Whenever you cycle or discard another card, Horror of the Broken Lands gets +2/+1 until end of turn. Cycling {B} ({B}, Discard this card: Draw a card.)

Vigilance Cycling {1} ({1}, Discard this card: Draw a card.)

Exploit (When this creature enters the battlefield, you may sacrifice a creature.) When Repository Skaab exploits a creature, return target instant or sorcery card from your graveyard to your hand.

Add {B}{B}{B}. Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.

Add {B}{B}{B}.

As an additional cost to cast this spell, sacrifice an artifact or creature. Draw two cards and create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

Draw two cards, then discard a card. You gain life equal to the number of cards you've discarded this turn. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Search your library for an instant card or a card with flash, reveal it, put it into your hand, then shuffle. Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature card from your graveyard to your hand. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Barren Moor enters the battlefield tapped. {T}: Add {B}. Cycling {B} ({B}, Discard this card: Draw a card.)

{T}: Add {U}.