There have been a lot of variations of Sign in Blood over the years, like Painful Truths and Foreboding Fruit (or one of my personal favorites, Read the Bones), all of which trade life for cards
These are probably the most popular, but if you want to run more, they are readily available in droves
That said, the cards I loved the most from Yugioh were the big juicy 'pay life' cards, stuff like Mirror Wall could be devastating (better than Mirror Force if you have a reasonable board!), Solemn Judgement was insane, both were cards people in my meta hated because you paid life (they never noticed that Mirror Wall was a Trap card or something idk, I had played Magic before at least), these were among my favorite cards, at least I got my Judgement really easily, they thought it was a terrible card, I mean, half your life for a better Force of Will, who would play THAT poop tier card (I obviously would lol)
When you swung with the first you could stack the triggers so the token churning happened first, and now you had 7 damage swinging on turn five, and 11 on turn six from the Hero of Bladehold alone, without any help
Zidane, Tantalus Thief BPhillipYork: So trading stuff is pretty fun, stealing stuff is funner, and getting Treasures for giving it back is interesting, though generally taking and and trading is not good enough to build around