Any card with a golden hexagon in the upper left corner can be used as Ink from what weve seen so far, most cards can be used as Ink
With a stroke of a pen and a banned-and-restricted announcement, Wizards almost out of thin aircreated a $150 card (with a ton of demand and hype) to sell a Masters set
Good thing for us, our author Ben Guilfoyle is well-equipped to give us a quick overview on what to expect from Magic: The Gathering's latest release, Tarkir: Dragonstorm

Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-107 | C | CHARACTER Doberman Attribute Strike Block Icon 1 Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-108 | C | CHARACTER Donquixote Rosinante Attribute Special Block Icon 1 Type Navy/Donquixote Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-108 | C | CHARACTER Donquixote Rosinante (Parallel) Attribute Special Block Icon 1 Type Navy/Donquixote Pirates Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-109 | C | CHARACTER Jaguar.D.Saul Attribute Strike Block Icon 1 Card Set(s) -Paramount War- [OP-02] CARD VIEW OP02-110 | R | CHARACTER Hina Attribute Special Block Icon 1 Effect [Blocker] (After your opponent declares an attack, you may rest this card to make it the new target of the attack.) [On Block] Select up to 1 of your opponent's Characters with a cost of 6 or less

You'll still be subjected to a coin-flip on every Stitch you cast or copy, but you're bound to win a few flips if you just cast the card enough times
This is the role I expect learn to play the most in Standard