If Andril is equipped to a creature an opponent controls, Andril's controller will create two tapped Spirit tokens each time that creature attacks
Below is the honest version: which old cards are worth real money, which ones are not, and how to tell what you have
I don't know why it can't be that simple elsewhere, but it's not
They often have abilities that heal, prevent damage, or bring creatures back from the graveyard, making them ideal for decks that focus on sustainability and outlasting opponents
What's a Supplemental Set
Wizards has already taken one step in this direction, introducing a new card face starting in M15 that will contain a proprietary font and foiled bubble that should help stem the tide of fakes going forward