tyler1 yugioh card CUSTOM|Tyler the Great Warrior|Ultra|Eng|DisplayONLY DIY Dark Magician Tyler1 Card :

So what do you think of play boosters

I have seen it facilitate mill wins, I have seen it undo the work of a Vampiric Tutor, and I have seen it simply clear away a terrifying card that was revealed by a Courser of Kruphix

(Even Mega Charizard X exs regular form only fetches about $5.) Again, if you can actually find packs to open.

Once More with Feeling deserves a spot on my list if only for the fact that it is the only card to receive a DCI restriction as part of the official rules text

Circuitous Route Circuitous Route is another slightly better version of Explosive Vegetation

Now there are a few dozen cards with the ability to phase out on command or cause something else to phase out