You tap this three-drop with two to gain a life, three to untap a dork, four to tap it, and five to draw and then one to untap this
Cards like Angel of Suffering, 5/3 with flying and If damage would be dealt to you, prevent that damage and mill twice that many cards, combined with Sidisi will build an army and protect your life total
really it's just legendary spiders that crawl into your Commander decks once in a while
Eyy, see, here's some of Jaya Ballard's work
Because Clever Concealment phases things out instead of bringing them back from the graveyard, it can save the host of tokens that the deck makes as well
Normally, when a creature dies you remove all counters and anything else attached to them when they go to the graveyard