The discard outlet is also perfect for the archetype because it ensures you have something to discard
[card]Order of Succession[/card] [F]/[C+] Cubes wont run Order considering all the other broken [card]Control Magic[/card] effects, like the namesake card, [card]Treachery[/card], and [card]Vedalken Shackles[/card], but I could see this card finding a home in creature-light EDH lists
Up to thrice per turn, when you activate a "Purrely" Quick-Play Spell Card (Quick Effect): You can attach that card on the field to this card as material, then you can Set 1 "Purrely" Trap directly from your Deck
24/64 Pidgeot
"Spellbook" cards focus on creating advantage, like raising a monster's ATK ("Spellbook of Power"), protecting monsters ("Spellbook of Wisdom"), or Xyz Summoning ("Spellbook of Life"), and manipulating the amount on the field, in the hand and in the Graveyard to activate effects
Red and black get access to a lot of mana acceleration (one-time ramp), and blues ability to lean on artifacts for support, along with occasional odd card designs, helps it get by