Link Monsters start the Duel in your Extra Deck, and you Link Summon them to your field by sending face-up monsters you control to the Graveyard
That means that you can count on a 50-100% bump in the expected price range at each rarity, especially for the key cards that are wanted in multiples by players in multiple formats
Creature theft effects and bounce effects make it so that running a card as suboptimal as Fowl Play shouldnt be necessary even if it has an occasional nice interaction, like turning an Elesh Norn or Griselbrand into a Chicken where stealing/bouncing it may have caused you to lose
however, we do not recommend mixing the two play experiences
Life as a Resource : Black card draw often demands a blood price
This is perhaps because, without spending money, it will take close to two years to collect every card in just the first set