Its utility in Legacy or Vintage remains to be seen, as those formats are packed with reanimation options
You need to put them over the normal card so they shuffle properly
"[Type]cycling [cost]" means "[Cost], Discard this card: Search your library for a [type] card, reveal it, put it into your hand, then shuffle." This type is usually a subtype (as in "Mountaincycling") but can be any card type, subtype, supertype, or combination thereof (as in "basic landcycling")
Those cards make it easy to filter your way to the deadly meld combination of Mishra, Claimed by Gix and Phyrexian Dragon Engine (the latter being an easy discard to your Fable triggers) and deliver an immediate killing blow
They look great on their own and seem like a sweet idea on paper, but once you start playing with a bunch of them across different colors, it starts to become hard to tell what's what
Voodoo Doll Rarity: Rare TYPE: Artifact SUBTYPE: - CMC: 6 Mana cost: USD: $8.67 EUR: 8.22 TIX: 0.00 EDHREC RANK: 28464 At the beginning of your upkeep, put a pin counter on this artifact