Both of these deal noncombat damage for drawing cards, meaning that if you start the chain
Whenever a noncreature spell is cast, you can draw a card unless the caster pays mana equal to its power
Anafenza, the Foremost Archive Haunt Bloodchief Ascension Catlike Curiosity Centaur Vinecrasher Compost Countryside Crusher Dennick, Pious Apparition Dimir Strandcatcher Disa the Restless Duskmantle Guildmage Dutiful Knowledge Seeker Forbidden Crypt Lazav, Dimir Mastermind Lorcan, Warlock Collector Nihilith Planar Void Profane Memento Quest for Ancient Secrets Robot Domination Sand Scout Sefris of the Hidden Ways Skola Grovedancer Slogurk, the Overslime Soulcipher Board Syr Konrad, the Grim Tamiyo, the Moon Sage The Dark Barony The Gitrog Monster The Haunt of Hightower Turntimber Sower Ultron the Annihilator Ultron's Auxiliary Voracious Brood Vulturous Zombie Yuma, Proud Protector
You are like, but that is a limited card, how is it being so good
Since there's no color restriction you can slot Conjurer's Closet into practically any deck, though a little bit of ramp is nice since five-mana is a bit of an awkward amount when you normally will want a higher impact card going into the mid-game