yugioh jack knight cards YU-GI-OH! - Jack's (YGLD-ENB06) - Yugi's Legendary Decks - 1st Edition may be 1st or Unlimited Edition Jack's Knight [Ultimate Rare 1st

So, being able to guarantee you get two extra turns sounds like it would be a game-warping card that all extra turn decks should run

When you combine this with the mythics, the picture is pretty shocking: in the typical booster box, only four of the 36 (11%) booster packs will contain a card worth more than the booster itself

While it can only steal one Monster per turn and Big Eye cant attack the turn you activate the effect, the steals are permanent due to there being no card text that specifies the stolen Monsters have to go back

Ray of Erasure was more about removing a known top card from a library but as it does nothing but mill a card, I included it