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 a card, Grisly Survivor gets +2/+0 until end of turn.

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}.

Prevent all combat damage that would be dealt this turn.

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.)

You gain 2 life for each creature card in your graveyard. Flashback {2}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

Choose one — • Counter target spell if it's blue. • Destroy target permanent if it's blue.

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.)

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

Add {B} for each creature card in your graveyard.

{T}: Add {C}. Basic landcycling {1} ({1}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

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

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)