Being able to cast it at any time is important, because of the big chunk of text attached to it: When Orcish Bowmasters enters the battlefield and whenever an opponent draws a card except the first one they draw in each of their draw steps, Orcish Bowmasters deals 1 damage to any target
10 | Exploration First printed in Urzas Saga, Exploration offers green decks one of their favorite things: ramp
I like that this is one of the few cards in the self-mill deck that doesnt die to The Witch's Vanity, though, and it doesnt care if you empty my graveyard on your turn
Shes a mainstay, along with Wrenn and Six, in a Jund deck in Modern that is both absurdly expensive and ridiculously powerful
Until then, good luck, and have fun at the prerelease this weekend