Nearly all of these cards are relevant and desirable for Constructed formats, and some are also worth serious money (for rares, that is)
Vampiric Tutor The big two, eh
Though the card fronts and backs have undergone numerous redesigns over the years (see our UniVersus card back design guide for more insight), its important to know that even the oldest cards, from franchises such as Capcoms Street Fighter and popular webcomic Penny Arcade, are still compatible with more recent sets, such as Cowboy Bebop or Trigun Stampede (pictured above)
It helms one of the strongest cEDH decks thats capable of winning on turn 1, but fairer strategies reap incredible benefits from the immense mana advantage this creature generates
Then we get to the raid trigger, which bottles a card for us until the end of combat on our next turn
Winning on turn one is not unheard of in either format