The classic Howling Mine trick is to manipulate the tapping to adjust who gets to draw, but that seems less relevant than it used to be
Time and again, I have demonstrated my skills as a healer

DotP 2009 Xbox 360 Garruk Wildspeaker ( Duels of the Planeswalkers ) (foil alternate art) PC Nissa Revane ( Duels of the Planeswalkers ) (foil) [80] PlayStation 3 Liliana Vess ( Duels of the Planeswalkers ) (foil alternate art) DotP 2012 PC Frost Titan ( Duels of the Planeswalkers ) (foil alternate art) [81] Xbox 360 Grave Titan ( Duels of the Planeswalkers ) (foil alternate art) PlayStation 3 Inferno Titan ( Duels of the Planeswalkers ) (foil alternate art) DotP 2013 PC, iPad Serra Avatar ( Duels of the Planeswalkers ) PlayStation 3 Vampire Nocturnus ( Duels of the Planeswalkers ) Xbox 360 Primordial Hydra ( Duels of the Planeswalkers ) DotP 2014 PC, iPad, Android Scavenging Ooze ( Duels of the Planeswalkers ) (foil) PlayStation 3 Ogre Battledriver ( Duels of the Planeswalkers ) (foil) Xbox 360 Bonescythe Sliver ( Duels of the Planeswalkers ) (foil) DotP 2015 Xbox 360, Xbox One - Soul of Ravnica ( Duels of the Planeswalkers ) (foil) PC, iPad, Android - Soul of Zendikar ( Duels of the Planeswalkers ) (foil) Gift Box promos[] Resale promos[] Included in special blister packs that include three random Magic booster packs plus the foil promo

It turns a dead card in your hand into ramp, and also plays into graveyard and self-discard strategies
Unlike with Reserved List cards, where even bad ones can be worth quite a bit of money simply by being rare, I would not recommend buying original set foils that dont already have a lot of demand associated with them
If youre playing a longer game, you can even grind it up to get an anthem effect and eventually a powerful finisher than can easily make your best creature into a lethal threat