Whenever Cocky Delinquent is dealt damage, you gain that much life and Cocky Delinquent deals that much damage to up to one target creature or planeswalker you don't control.
“What are they going to do? Give me more detentions to skip?”
For each permanent type, choose up to one target permanent of that type. Exile each of those permanents, then return them to the battlefield under your control. They gain haste until end of turn. At the beginning of your next end step, those permanents' owners gain control of them.
When Cognitive Fumigator enters the battlefield, target opponent reveals their hand. You may choose a nonland card from it and exile that card. If you do, that player draws a card. Recite {2}{U}(You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters the battlefield or if it would leave the battlefield.)
Whenever you draw a card, you may exile the top card of your library. {3}{U}{U}, Sacrifice Collector of Memories: Shuffle your hand into your library, then put each card exiled with Collector of Memories into its owner's hand.
Exile the top two cards of your library. You may play those cards until the end of your next turn. Whenever you play one of those cards, rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)
Whenever a -1/-1 counter is put on a creature you control, you gain 1 life. {1}{B}, Pay 1 life: Untap target Cleric. You may remove a -1/-1 counter from that creature.
When Compose from Dreams enters the battlefield, you may cast any number of cards named Fatigue from your hand and graveyard without paying their mana costs. Whenever you cast a spell, each opponent loses 1 life. Then you may draw a card if that spell wasn't cast from your hand. Then add {U}{B}{R} if you don't own that spell.
When Compulsion's Voice enters the battlefield, gain control of target permanent until end of turn. Untap that permanent. It gains haste until end of turn. Recite {1}{U}{R}(You may cast this creature from your graveyard for its recite cost. If you do, exile it when it enters the battlefield or if it would leave the battlefield.)
At the beginning of combat on your turn, you lose 1 life and rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)
Abound. Then search your library for a creature, instant, or sorcery card, reveal it, put it into your hand, then shuffle. (To abound, you may cast a spell that costs less than this from your hand without paying its mana cost.)
Vanishing 1 (This permanent enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When the last time counter is removed from Conspiracy of Ravens, target player reveals their hand. You choose a nonland card from it. That player discards that card.
Escalate {G}(Pay this cost for each mode chosen beyond the first.) Choose one or more — • Target creature gets +3/+2 until end of turn. • Target creature gains trample and hexproof until end of turn.
Escalate {B}(Pay this cost for each mode chosen beyond the first.) Choose one or both — • Put target permanent on top of its owner's library. • For each library, look at the top three cards of that library, put any number of them into their owner's graveyard, then the rest back on top in any order.