pokemon boundaries crossed booster box Card Game (BW7) Theme Deck BLACK Kyurem [Blue Box] : Toys & Games along with the never Pokemon Black & White: Boundaries

You constantly gain card advantage while you stay one step ahead

Similar Value at Lower Cost A different way cards can show strict superiority over other cards is when they offer similar or greater effects for lower, or less-restrictive, costs

Memory Test (acorn) Artifact Attraction When Memory Test enters the battlefield, target opponent exiles cards from the bottom of their library until they exile five nonland cards, then turns those nonland cards face down

Simple preparation

however, Demonic Tutor is always limited to the cards that are in your deck

While it can be used politically, its generally not worth it unless you're desperate