(The Dredge deck archetype is based around the graveyard mechanic dredge, which is known to contain mostly incomprehensible nonsense.) In the case where the graveyard is good for you, please embrace your grave with open arms
On Trainer cards it will always be found in the very bottom left hand corner of the card and for Energy cards it will always be in the top right hand corner, next to the word Energy
I think so too, hence it being here
In decks like Ad Nauseam + Tendrils, the card is used either to get enough storm count by drawing free spells or to find your Tendrils of Agony win condition
These include Marnie, Scoop Up Net, Inteleon, and Crobat V among others
If youre putting your card into a top loader, use a penny sleeve first